S1: Could you test the ohm to the ground, ETR? S2: Yes, sir. It shows 5 ohms, so the grounding condition is fair, PSCO. S1: That's fine. Q: What was measured according to this dialogue?
单选题
S1: Could you show me your documents and certificates? S2: Ok. They are all in that bookcase. Please follow me. I’Il show you. Q: Where are the documents and certificates?
单选题
I only have a spanner, but I still need a hammer. 我只有一把扳手,但我还需要一把锤子。
问答题
Describe the procedure when the abandoning order is given. (描述弃船命令下达后应采取的程序) (1) Lifejacket to be donned 穿上救生衣. (2) Muster at the assembly station 在**地点**. (3) Join in the launching operation 参加放艇行动.