1) scupper plug
排水孔的堵头
2) drain plug
排水堵头
3) drilling for ice blockage removal
排堵钻孔
4) controlled drainage
堵水限排
1.
Analysis of interaction between surrounding rock and lining in high water-level tunnels with controlled drainage;
高水位隧道堵水限排围岩与支护相互作用分析
2.
Analysis of mechanical character of surrounding rock with controlled drainage in mountain tunnels;
山岭隧道堵水限排围岩力学特性分析
5) water draining and blocking
排堵水
6) plug drain
带塞头的排泄孔
补充资料：堵头
1.棺材头尾两端的横截板。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条