209. The lighthouse if_at night may be in trouble.
相似题目
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压力开关209的整定值为()kPa。
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The International Association of Lighthouse authorities (IALA) buoyage system “A” uses some types of marks to distinguish safe navigation? Which type(s) does(do) not belong to the system?()
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209T型转向架采用()定位结构。
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209T型转向架采用()轴箱定位装置。
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209P型转向架是在209T型转向架基础上改进设计的,采用了什么装置?
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Your()is 175 degrees from the lighthouse.
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为什么要设置(209)压力开关?
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()gives listings of all lighthouses,lightships,lit floating marks(over 8m in height),fog signals and lights of navigational significance.
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209T型转向架的基本结构特点?
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My ETA()Cheng Shan Tou lighthouse is 0900 hours local time.
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On a chart,the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector().
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压力开关209的动作压差为≤()kPa。
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车站编号“209”中,“2”表示()
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209型转向架的轴箱定位结构是()。
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The Experimental Lighthouse-buoy has no navigational significance and may be removed at will.The above sentence means().
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The ship()about 1/2 miles southward of the lighthouse.
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There is not()depth of water around the area centered at the lighthouse.
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209转向架的轴箱定位结构是()。
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Your()is 175°from the lighthouse.
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The ship’s bearing is 145°()the Lighthouse.
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The depth()a shallow patch,lying about 1.3 miles southeastward of Nanshan Tou lighthouse reduces to about 6.1 meters.
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14. ___ gives listings of all lighthouses,lightships,lit floating marks(over 8m in height),fog signals and lights of navigational significance.(lit 点亮的)
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It may be inferred from the passage thal lighthouses in the Northeast did not need high towers because .
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