词汇	Guandian Age
释义	Guandian Age 关底期
随便看	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 two speed pump two-speed pump two speed resolver