What is wrong with the statement of the cause of machine pump warm-up is ( ).

What is wrong with the statement of the cause of machine pump warm-up is ( ).

Centrifugal pump spare pump turn, generally required to turn ( ).

The spare hot oil pump should ( ) turn left and right once as it begins to warm up.

Centrifugal pump spare pump wheel can prevent ( ).

Centrifugal pump spare pump turning, request ( ) turning once.

Lubricating oil "five fixed" regulations, do not include ( ).

Lubricating oil "five fixed" regulations, do not include ( ).

According to the "Ding Ren" in the lubricating oil "five Ding", the lubrication of the motor shall be taken care of by ( ).

Lubricating oil "five fixed" regulations, do not include ( ).

After the machine pump runs for a while, the lubricating oil will lose part of it, so you need ( ).

The injection amount of lubricating oil is generally controlled in the bearing box liquid level gauge ( ).

Run the machine pump when changing lubricating oil should ( ).

Bearing box self-injection oil cup lubricating oil filling should be added to the ( ) position of the oil cup.

For air closed pneumatic control valves, when there is no signal, the valve is in the ( ) state.