swivel block

航海及海运专业词汇英语翻译(S) ... swivel bearing 旋转轴承 swivel block 转动滑块 swivel block 转环滑车 ...

直角三角形_馆档网 ... "摆妎b承"," swivel bearing" "旋转滑车"," swivel block" "旋转桥"," swivel bridge" ...