Its role is to control the hydraulic oil circuit in size.
其作用是控制油路中油压的大小。
Carbon dust and oil build up in large motors and cause them to short-circuit.
碳尘和燃油在大发动机里越积越多，造成了发动机短路。
Equipment debugging and line maintenance maintenance, familiar electric circuit, oil duct, air course principle.
设备调试与现场维修维护，熟悉电路、油路、气路原理。
The circuit-breaker is generally immersed in a tank of oil.
断路器一般浸在油罐内。
The circuit-breaker is generally immersed in a tank of oil.
断路器一般浸在油罐内。
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