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 vertical lathe
single-column vertical borring and turning mill
single-column lathe
得克萨斯钻杆立柱排列法
Texas style of racking pipe
独立柱基
single footing
Independent column base
independend columnar foundation
方柱立式钻床
vertical drilling machine with square column
box type vertical drilling machine
square pillar vertical drilling machine