您要查找的是不是：
- 油杆挂beam hanger
- 挂环suspension loop
- 中间杆挂吊法centre-pole suspension
- 牵引杆draft connection
- 环loop
- 复杂地质条件下树脂锚杆挂滑轮拖运轻放支架Ligh Caving Support Carried by Resin Bolt Hanging Pulley in Complicated Geological Condition
- 毛巾挂环towel ring
- 牵引杆销draw-bar pin
- 挂suspend
- 牵引(v) tow; pull
- 软管挂环hose supporting clip
- 牵引杆托套draw-bar pocket
- 挂断hangup
- 环比link relative ratio
- 螺杆screw
- 圆环traffic circle
- 环的annular
- 可调式牵引杆adjustable hitch bar
- 环氧epoxy
- 挂件pendant
