n.[矿](煤矿等内的)人行巷道
Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings. 必须小心地完全封闭耐火材料衬里的进口门。
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. 除非本报价另有规定，否则，所有的塔板都将为单顶部安装型，并有两（2）个人孔垂直对准，以便从上方或下方通过。（能否从专业角度给与解释，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. 在中厚倾斜矿体的开采过程中,改变人道和溜井在采场面的相对位置,可适应矿体的变化,降低贫化率。
Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings 必须小心地完全封闭耐火材料衬里的进口门。
30. Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings. 必须小心地完全封闭耐火材料衬里的进口门。
