问题:从业人员发现直接危及人身安全的紧急情况时,应当停止作业。
Tuesday, September 13, 2022
Saturday, September 10, 2022
Wednesday, February 14, 2024
Saturday, September 10, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
Tuesday, January 31, 2023
Friday, May 26, 2023
Friday, August 4, 2023
Thursday, February 1, 2024
Saturday, September 10, 2022
问题:可燃物质在空气中的含量低于爆炸下限时,遇到明火,既不会燃烧,也不会爆炸。
Thursday, January 25, 2024
Tuesday, September 13, 2022
Saturday, September 10, 2022
Saturday, June 17, 2023
Friday, October 13, 2023
问题:安全阀、爆破片的排放能力,必须大于或等于压力容器的安全泄放量。
Tuesday, September 13, 2022
问题:燃烧爆炸必须在()、助燃物质、点火源这三个基本条件同时具备时才可能发生。
Tuesday, September 13, 2022
Monday, January 23, 2023
问题:燃烧爆炸必须在()、助燃物质、点火源这三个基本条件同时具备时才可能发生,这是前提,但燃烧是否能进行,还要求每个条件要达到一定的量,相互作用才能发生。
Saturday, February 18, 2023