推拔
taper
推拔扁锉
taper; taper file
推拔柄
taper shank
推拔车削
taper turning
推拔车钻头
taper shank drill
推拔锉
tapered file
推拔规
taper gauge
推拔滚子
taper roller
推拔绞刀
taper reamer
推拔螺钉塞
atpered screw plug
推拔螺栓
taper bolt
推拔砂箱
taper flask
推拔套箱
taper case
推拔销
atpered pin; taper pin
推拔销绞刀
taper pin reamer
随动装置
servo
随机存取装置
RAD
燧石发火装置
flintlock
缩微胶卷装置
microfilmer
塔轮装置
stepped wheel gear