榫
tenon
tenon
榫槽杆
gain pole
榫槽接合
tongue and groove joint
榫搭接
joggled lap joint
榫接
joggling
榫接部份
ridge
榫舌
tang; tongue
榫眼
mortise
mortise
榫眼机
boring and mortising machine; mortising machine
榫子
quoin
凸榫
tenon
隧道清洗磁头
tunnel erase head
梭状乳头
papillae fusiformis
缩径管接头
reducing coupling
缩头缩脑
fainhearted; timid
锁骨头颅的
cleidocranial
胎儿断头剪
endotome
胎头测量钳
labidometer; labimeter
胎头冲击触诊
cephalic ballottement
胎头刀
cephalotome