in setting safety valves中文什么意思

• 在安装安全阀时

• setting:    n. 1.安装；装配；装置；安放。 2.(机器的)底座。 ...
• safety valve:    保险阀；〔比喻〕缓和紧张状态的手段 ( sit on t ...
• safety valves:    安全阀
• adjacent to safety and relief valves:    邻近于安全和泄压阀
• deadweight safety valves:    静重式安全阀