燧石
firestone; flint
chert; flint
flint
燧石玻璃
flint glass
燧石磨带
flint polishing strip
燧石砑光
flint glazing
燧石液
liquor of flints
燧石质
flintiness
提早发火
advacned fire
随动装置
servo
随机存取装置
RAD
缩微胶卷装置
microfilmer
塔轮装置
stepped wheel gear
碳化装置
carburizing apparatus
提升装置
takeup
调步装置
pacing device
调风装置
draft regulator
调节装置
actuating device
调整装置
adjusting device; adjusting gear
跳脱装置
tripping device
烃蒸汽转化装置
reforming plant
停车装置
stop motion; stopping device