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?
问答题
Describe the responses when the oil pollution occurs. (发生油污的反应)
(1) Sound Morse code P and shipmaster announces in the PA system. (2) Crewmembers respond relating to SOPEP. (3) ETO ensures the electrical installations.
