Tuesday, September 13, 2022
Monday, March 18, 2024
问题:使用过滤式防毒面具时要求环境中氧含量必须占()以上。...
Tuesday, September 13, 2022
问题:一种物质在临界温度时使其液化的()称为临界压力....
Saturday, September 17, 2022
Saturday, September 10, 2022
问题:合成开工加热炉点火前需用()置换合格。A、空气B、蒸汽C、氮气D、氧气...
Wednesday, May 17, 2023
Monday, February 19, 2024
Sunday, May 14, 2023
Tuesday, September 13, 2022
问题:正常生产中,向CO<SUB>2</sub>气中加氧的作用,其S2...
Tuesday, September 13, 2022
问题:根据理想气体状态方程,说明气体的压力、温度和体积之间是什么关系?...
Tuesday, April 4, 2023
Tuesday, September 13, 2022
问题:根据工艺流程分类6M32C.压缩机属于()压缩机。...
Tuesday, September 13, 2022
Saturday, September 10, 2022
Wednesday, October 26, 2022
Saturday, September 17, 2022
问题:二氧化碳压缩机润滑油总管压力低于()时主电机自动停车。...
Sunday, March 12, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:蒸发进行必须具备的条件是:()A、不断供给热能B、不断排除液体转化成的气体C、必须抽真空...
Sunday, March 12, 2023