n.[礦](煤礦等內(nèi)的)人行巷道

Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings. 必須小心地完全封閉耐火材料襯里的進(jìn)口門。

Unless otherwise stated in this proposal, all trays will be top installable only and have two (2) manway vertically aligned to allow passage from above or below. 除非本報(bào)價(jià)另有規(guī)定，否則，所有的塔板都將為單頂部安裝型，并有兩（2）個(gè)人孔垂直對(duì)準(zhǔn)，以便從上方或下方通過。（能否從專業(yè)角度給與解釋，不好理解）

In the mining process of medium thick steeply inclined orebody,changing the relative position of manway and pass on the stope face to suit the change of orebody can reduce the dilution rate. 在中厚傾斜礦體的開采過程中,改變?nèi)说篮土锞诓蓤?chǎng)面的相對(duì)位置,可適應(yīng)礦體的變化,降低貧化率。

Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings 必須小心地完全封閉耐火材料襯里的進(jìn)口門。

30. Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings. 必須小心地完全封閉耐火材料襯里的進(jìn)口門。