密閉墻 的英文怎麼說
中文拼音 [mìbì]
密閉墻
英文
dam-
A fence in the back yard has been built to keep small animals out, which means that the myriapods have little chance of sneaking in through the back door
大殿的后門雖然連接著一片荒地，不過築有密閉的圍墻來阻隔一些小動物進入，所以百足蟲也少有機會走後門。Discussion on technical standard of mine flame proof seal dam
煤礦防爆密閉墻技術標準探討Construction of flat tunnel of large span at extra - shallow depth must be conducted on the principle that advance grouting should be strictly performed before excavation and length of pull at one time should be short, together with reinforced support, immediate closing and constant monitoring and surveying. that preceding pilot tunnels, large - volume excavation divided into small ones, excavation of flank before that of center, upper before lower, arch before wall etc is a good method which could effectively reduce surface subsidence and its adverse effect on adjacent buildings, in addition, some other measures are also taken to lessen blast - induced vibration in the ground and surrounding structures. in a word, all means and steps mentioned above have already proved effective and practicable in practice
軟弱大跨超淺埋扁平隧道必須按「管超前，嚴注漿，多分部、短開挖、強支護、快封閉，勤量測」的施工原則進行施工，採用「眼鏡超前，化大為小，先側后中，先上後下，先拱后墻」的施工方法控制地表沉降和對周邊建築物的影響；採用「多分部，化大為小，短進尺，密布眼，弱裝藥，設減振槽」 ，控制爆破振動，經過實踐證明，這些方法都是行之有效的。Application of various underground seals in mines
各類密閉墻在礦井中的應用Analysis on goaf seal wall
煤礦井下采空區密閉墻相關問題的探討分享友人