Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 情景例句
I don't.
我没打。
I look forward to receiving your reply.
我期待着你的答复。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，