sea-bottom deposits 海底沈积物
bottom produce bottom product 轴制动马力
bottom product bottom produce 箱形括矿机
(pressure)gauge with bottom connection 径向压力表
100 t Top and Bottom Combined Blown Converter 100t顶底复吹转炉
180 t Top-Bottom Combined Blow Converter 180t顶底复吹转炉
accumulated liquid in bottom 井底积液
acid bottom 酸性炉底
acid leaching bottom flow 酸浸底流
acoustic beacon on bottom 海底声标
activity bottom of boiler 活动炉底
actual bit on bottom time 纯钻进时间
Adjacent Boiler Bottom Heating 邻炉底部加热
after bottom center 在下止点后; 下死点后
after bottom dead center 下死点后在下止点后
air supply at the bottom 底部送风
Al2O3-C-SiC furnace bottom Al2O3-C-SiC系炉底
alignment of bottom casing and bearing seating 下汽缸和轴承座找正
alkylate bottom 烷<基>化物存底