rod clamp meaning in English
抽油杆夹持器
钻杆夹板
钻杆夹持器
钻杆夹头
Examples
- Effects of polished rod clamps on polished rod fatigue life
光杆卡对光杆疲劳寿命的影响 - The extensive range of optional equipment includes hydraulically operated drill rod clamps , rotary casing drives and casing oscillators
更大的直径可选装钻杆夹持器,套管驱动器和摇管器 - The generously designed drill rod clamping device can be opened up fully to enable the installation of drilling tools and drill casings exceeding 171 / 2 " ( 444 mm ) in diameter
如图所示的钻杆夹持装置可安装最大直径为444毫米的钻具和套管