High-speed rotation in a centrifugal purifier can produce a force () the force of gravity.
相似题目
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The amount of fuel injected in a particular time, or degree, of crankshaft rotation is termed ().
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While engine is in operation the piston moves up and down, thus causing the rotation of the ().
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What is the direction of rotation of tropical cyclones,tropical storms and hurricanes in the Northern Hemisphere?()
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The coil of wire rotating in the magnetic field produces the().
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To absorb the wear resulting from impeller rotation and abrasives in the liquid, a centrifugal pump is usually fitted with ().
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In the Southern Hemisphere winds in a low pressure system rotate in a().
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The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called().
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In order to change the direction of rotation of a D-Cmotor () (1) the field leads must be changed (2) the input leads must be changed
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In a four-stroke engines the camshaft rotates at ().
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Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?()
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In a four-stroke/cycle diesel engine, the camshaft rotates at ()
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在After Effects 6.5中,给当前图层的Rotation属性添加一个关键帧的热键是:(C)
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Some cranes are mounted in pairs on a common platform which can be rotated through().
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A gudgeon pin in a trunk piston may be free to float and rotate, with () to limit axial movement.
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What is a rotating item?()
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Anchor() are used in some installations where the cable lifter rotates about a vertical axis.
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A class "C" fire would occur in ()
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The plunger in a jerk pump is rotated until the release port is uncoveredIf the port remains uncovered all of the time, which of the listed operations will occur?()
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Anchor capstans are used in some installation where the cable lifter rotates about a ().
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The () will have a rotating honorary chairman.
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High-speed rotating in a centrifugal purifier can produce a force () larger than the force of gravity.
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The insulin injection sites must be rotated in order to prevent erosion of the fat beneath the skin.
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The high-speed trains can have a major impact on travel preferences.
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