effective diameter of bolt or high-strength bolt 螺栓
Fastening Bolt, Binding Bolt 紧固螺栓
reamer bolt [= rimer bolt] 绞孔螺栓; 打入螺栓
taper bolt [= tapered bolt] 锥形螺栓; 推拔螺栓
abdomen retractor 腹部拉钩
abdominal retractor 腹部拉钩; 腹部牵开器; 腹部牵开器腹壁拉钩; 大腹壁钩
abdominal self-retaining retractor 腹壁保留牵开器
amputating retractor 下肢截断拉钩
anal retractor 肛门牵开器
aortic valve retractor 主动脉瓣牵开器
appendectomy retractor 阑尾切除牵开器
atrial retractor 心房牵开器
automatic thyroid retractor 自动甲状腺牵开器
automatic wound retractor 自动创口牵开器
baby retractor 婴儿牵开器
bladder and suprapubic retractor 膀胱及耻骨上牵开器
bladder retractor 膀胱牵开器
blade retractor 刀片牵开器
block tin retractor 锡板牵开器