rifts

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两孔处的隙缝应用石棉绳堵塞。

It is barely ten since systematic deep ocean bathymetry revealed the structure of rifts, fractures and trenches associated with sea floor spreading.

系统的深海深度测量示了与海底扩张有关的狭谷带、断裂带和海沟的结。