DBT支架立柱立柱
hydraulic cylinder of DBT roof support
变截面立柱
Variable cross-section column
标准圆柱立铣刀
Standard cylindrical milling cutter
大型机床立柱
Column of the heavy machine tool
单分离音箱立体声盒式收录机
stereo radio cassette recorder with single detachable speaker system
单立柱的失稳
instability of a single column
单立柱平台
single-leg jacket platform
单柱立式车床
single-column lathe
single-column vertical borring and turning mill
single-column vertical lathe
得克萨斯钻杆立柱排列法
Texas style of racking pipe