If a bladder-type fuel tank is to be left empty for an extended period of time, the inside of the tank should be coated with a film of
发布于 2021-02-18 21:52:19
【单选题】
A engine oil.
B linseed oil.
C ethylene glycol.
查看更多
- 体验AI问答!更聪明、超智能!
- 一款基于GPT的超级AI助手,可以对话、创作、写文案!