泥道拱 的英文怎麼說
中文拼音 [nídàogǒng]
泥道拱
英文
axial bracket arm-
Air cannon block clearer is a special device used to prevent and remove the material blast and block of all kinds of bunker, hopper, cement preheating furnace, pipeline y section and mine drawshaft and drawslope
空氣炮清堵器是防止和消除各類型料倉,料斗、水泥預熱器窯和管道分叉處及礦山溜井、溜坡的物料起拱,粘倉閉塞等現象的專用裝置。The study on high performance alkali - slag cement used in tunnel invert
高性能堿礦渣水泥應用於隧道仰拱施工研究
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