... base plate底盘，底板 pawl ring绞盘底盘 chassis armor底盘装甲 ...
2
?掣子环
... 掣子杆 catch lever 掣子环pawl ring 掣子轮 pawl abutment ...
双语例句
1
Disclosed is a pressure dredging device without a rod, mainly comprising a draft tube, a connecting tube, a handle, a compressing ring and a regulating pawl.