engine shaft meaning in English

发电机轴
发动机轴

As the piston descended, a ratchet engaged the piston rod and engine shaft and thus power was transmitted .
当活塞下行时，棘轮连接活塞杆和发动机轴，因此将功率输送出去。
Light power generator units main diesel engine shaft working of fishing vessel
船用主机小功率轴带交流发电装置
Corrosion prevention of engine shaft contacted with rubber sealing ring
橡胶密封圈与发动机转轴接触处的防蚀处理