护口
- 网络mouthpiece
护口-
实验结束后，用切应力环的办法测量宏观残余应力，用大千分尺测量护环环口直径的变化。
So we have to invent a new method for relieving the macro residual stress in retaining ring .
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用软体排护底替代柴排抛石护底在长江口整治中已成为深水航道治理工程中不可替代的材料。
Geotextile mattress has become a necessary material for bed protection during deepwater channel regulation engineering of the Yangtze Estuary regulation project instead of rubble bed protection .