The force exerted by a propeller which tends to throw the stern right or left is called().
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The needle valve will open when the fuel pressure acting on the needle valve () exerts a sufficient force to overcome the spring compression.
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The gauge pressure inside a container is -0~5kg/cm2, then what is the absolute pressure exerted to the inside surface of thin container?()
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The needle valve in a fuel valve will () when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
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Sidewise force of the propeller tends to throw a vessel’s stern to the right or left,depending on rotation. This force is caused by().
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The sealing function of the piston ring is brought about by the gas pressure above and behind the piston ring, which forces it () against the bottom of the ring groove, and () against the cylinder wall.
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When a vessel is inclined by an external force,the().
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Leg penetration to depths which require pullout forces greater than that which can be supplied by the buoyancy of the hull may exist in().
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A moment is obtained by multiplying a force by its().
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A man in an fishing family scored the same on the researcher's questionnaire as his twin, whose father by adoption was the head of the police force.
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A man in an fishing family scored the same on the researcher's questionnaire as his twin, whose father by adoption was the head of the police force.
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The thought of Laozi exerted a direct impact on _____________.
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US forces are fully prepared for the _________ of any action once the order is given by the president.
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What is John’s reaction when he is taken under control by Annie and the other girls and forced to choose?
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A “_______” essay is causal chains that connect from the reason to the consequence by means of careful language, and chronological or forceful order.
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The agreement will come into force on the date when it is approved by the board of the company and it will continue for five years.本句话的汉语意思为_____。
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People and mentals all have a point at which they may snap because of the pressure being exerted.
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Forcing a solution occurs when the manager or another third party steps in and forces a solution on the conflicting parties.
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听力原文: The United States has proposed withdrawing about 1/3 of American troops from South Korea by the end of next year as part of a realignment of forces under discussion with authorities in Seoul. More from VOA correspondent Alex Belida..
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The author implies that almost every animal is able to protect itself from destructive forces by doing which of the following?
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Advertising involves a personal presentation by the firm's sales force for the purpose of making sales and building customer relationships.
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One out of every ten persons in the 1978 United States labor force was a teenager, compared by one out of fifteen in 1960.
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Kepler reconciled astronomy with physics, and substituted for fictitious clockwork a universe of material bodies not unlike the earth, freely floating and turning in space, moved by forces______.
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在水合物中水分子形成了多面体骨架,其中有孔穴,孔穴体积由气体分子所占据,即水合物是一种笼形包合物,水分子借氢键结合成笼形晶格,气体分子则在范德华力作用下,被包围在晶格中。In the hydrate, water molecules form a polyhedral skeleton with holes in which the volume is occupied by gas molecules. In other words, hydrate is a kind of cage inclusion, water molecules are bonded by hydrogen bonds to form a cage lattice, and gas molecules are surrounded in the lattice under the action of van der Waals force.
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