S1: Can you say some deck machinery? S2: Anchor windlasses, all types of winches, cranes, and so on. Q: Which one is NOT deck machinery?
单选题
S1: What were the empty bars in the switchboard used for ETR? S2: Well, they will be used for backup if pairs of the other bars are in failure. Q: What did the PSCO concern?
单选题
S1: Should you pay attention to the ammeter when starting the purifier. S2: Yes. Firstly it is 50A, and finally it is 20A. Q: How much is the starting current of the purifier?
单选题
S1: Does it work in good order? S2: Not very good. The driving motor has worn out. Q: What is wrong?
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