... water-tight alibi 无法驳倒的证据... water-tight and air-tight 不透水不透气的... water-tight argument 无懈可击的理由...
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For carrying goods liable to be spoiled by damp or water they have the advantage of being both water-tight and air-tight.
为了使运输的货物不被弄潮湿，它有防水盒防空气的的优点。
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。
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