单词	安全楼
释义	安全楼医refuge building
随便看	two-speed feed two-speed final drive two-speed final gear two speed gear two-speed gear twospeed gearbox two speed gearbox two-speed gearbox two-speed gearchange two-speed generator two speed governor two-speed hub two-speed hysteresis synchronous motor two speed laboratory lathe two-speed laboratory lathe two speed mixer two-speed mixing two speed motor two-speed motor two speed oscillating Bucky two-speed oscillating Bucky two speed overhead countershaft two-speed overhead countershaft two speed proportioning pump two-speed proportioning pump