0] 分享到 发表评论(0) 编辑词条 下水重量 (launching weight)是船舶下水时的总重与滑板、下水架等重量的总和。下水重量为下水计算的重要依据之一。
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... 下水润滑脂 launching lubricant 下水重量 launching mass 发射方式 launching means ...
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水下称重测量法 Hydrodensitometry Weighing
地表水与地下水重复量 The duplicated amount between surface water and groundwater
水下称重测量 underwater weighting measurement
水下重力测量 submarine gravity survey
如果井盖的设计得不到改良，其重量得不到增加，那么下水道中积聚过多的甲烷气体将井盖吹起并砸毁汽车的事件就会继续上演…
Manhole covers are deliberately heavy to prevent them being blown off by a build-up of methane gas from the sewers below.
近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。
However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.
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