| 释义 |
electric and hydraulic drive - 1
Coal excavator is a complicated system that consists of machinery, electric and hydraulic drive, etc. It works in adverse circumstances. Its stop by faults will cause whole mine system to break down. 采煤机是一个集机械、电气和液压为一体的大型复杂系统，工作环境恶劣，如果出现故障将会导致整个采煤工作的中断，造成巨大的经济损失。 - 2
On the choice of power, the vehicle mounted wheelchair can use hydraulic drive, pneumatic drive, electric push rod and electric motor. 车载式轮椅自动升降机在动力的选择方面，可以采用液压传动、气压传动、电动推杆和电机等方式。 - 3
W12 series rolling machine with four rollers adopt upper roller rotary mechanical drive, lower roller and side roller fluctuation hydraulic drive, electric concentrated control operation system. W12系列四辊卷板机采用上辊旋转机械传动，下辊和侧辊升降液压传动，电气集中控制操作系统。
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