The type of flow would affect the calculation of water head losses.
管内流态的变化会影响水头损失的计算。
It is also part of the watertight envelope, and subject to the local water head.
它也是水密外壳的组成部分，并承受局部水压力。
Inspection air pressure test(with water head) for No1. water ballast tank(No15 block).
No1压载水舱（No.15分段）气压试验（压头试验）检查。
Higher water head closure has become a trend with the development of river way closure.
从河道截流的发展趋势来看，高水头截流已成为一种趋势。
Higher water head closure has become a trend with the development of river way closure.
从河道截流的发展趋势来看，高水头截流已成为一种趋势。
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