water tight structure 不透水结构
The utility model has the advantages of simple structure, convenient use and tight meshing among layers; the utility model can prevent the leakage of the water.
本实用新型结构简单,使用方便,层间咬合紧密,可防止水的渗漏。
The structure adopts gradual decompression technology and built-in drainage system, which ensures a satisfactory water-tight and air-tight performance.
结构采用逐渐减压原理,内设排水系统,防雨水渗漏和防空气渗透性能良好。
Such tight multilayer structure is to protect the fiber to prevent fracture and to prevent the intrusion of sea water.
这样严密多层的结构是为了保护光纤、防止断裂以及防止海水的侵入。
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