属于压力容器的主要安全附件的有（）。A、安全阀 B、液位计 C_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题多项选择题

属于压力容器的主要安全附件的有（）。

A、安全阀

B、液位计

C、压力表

D、爆破片

答案

参考答案：A, B, C, D

选择题

—_____ did you always get the first place? Could you let me know?
—Only because I like it and practice every day.

A. What
B. When
C. Where
D. Why

选择题

My brother has two ____in his room.

A．pair of glass

B．pairs of glass

C．pair of glasses

D．pairs of glasses