
提问人:网友w*****2
发布时间:2023年2月18日 10:25
[多选题]
阀门分截止阀()安全阀,旋塞阀,蝶阀等。
A.闸阀 B.球阀 C.止回阀 D.塑料阀


A.闸阀 B.球阀 C.止回阀 D.塑料阀
Fill in the blanks with the expressions given below. Change the form where necessary.
flare up; be dripping with; appeal to; in exchange for; make an analogy between
The brick walls of the ruined buildings _________green mold and moisture, and she shivered involuntarily, looking down to avoid the sight.