At present, there are two shock absorption measures of tunnel, namely shock absorption layer and aseismatic joint.
目前隧道的减震措施主要有两种，即设置减震层和抗震缝。
The braid is used as an additional shield, which creates the shock-absorption layer beyond the jacket and at the same time is a bandage for the copper tapes screen.
其纱辫充当除了护套外的防震缓冲层，同时又可以作为铜线和胶带间的绑带。
The braid is used as an additional shield, which creates the shock-absorption layer beyond the jacket and at the same time is a bandage for the copper tapes screen.
其纱辫充当除了护套外的防震缓冲层，同时又可以作为铜线和胶带间的绑带。
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