APort a little.
BPort more.
CPort five.
DStarboard ten.
左舵有点慢。()
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左舵五()
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Ease to five! ()(右舵5)!
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The ()of the derrick is 5 tons.
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The draft is less than 5 meters.()
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白棕绳受潮后其强度损失约为原强度的5—10%。
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()灭火器的喷射时间为11~45秒,射程一般是3~5米
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The safe working load of the derrick is 5 tons.()
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The SWL of the derricks are different from 5 tons to 10 tons.()
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