Newly installed and running pump ( ).
When the motor is running, the following situations do not need to stop immediately are ( ).
When the motor is running, the following situations do not need to stop immediately are ( ).
When the motor is running, the following situations do not need to stop immediately are ( ).
When the motor is running, the following situations do not need to stop immediately are ( ).
What is incorrect about the action of the machine pump lubricating oil is ( ).
Running machine pump lubricating oil deterioration can cause pump ( ).
What is correct about the action of the machine pump lubricating oil is ( ).
The main action of the following lubricants that are not part of the machine pump is ( ).
The second stage filtration in the "three stage filtration" of machine pump lubricating oil refers to ( ).
The third stage filtration in the "three stage filtration" of machine pump lubricating oil refers to ( ).
The first stage filtration in the "three stage filtration" of machine pump lubricating oil refers to ( ).
The wrong one in "Three stage Filtration" of machine pump lubricating oil is ( ).
The following equipment available for selection in good condition is ( ).
The following equipment can participate in the selection of sound criteria is ( ).