问题:单冷机电机采用过电流自动报警装置。使用电流继电器自动报警,电流在多少事自动报警,在多少是自动跳闸?...
Thursday, October 20, 2022
问题:劳动者应当学习和掌握相关的职业卫生知识,遵守哪些规章制度?...
Thursday, March 7, 2024
Sunday, September 11, 2022
Wednesday, March 8, 2023
问题:简述焙烧车间煤磨岗位出磨气体温度过高的原因及处理措施...
Tuesday, September 13, 2022
Tuesday, July 25, 2023
Sunday, September 11, 2022
Tuesday, January 24, 2023
问题:煤磨停机后检查煤粉仓和袋除尘器时,必须的安全操作有哪些?...
Tuesday, July 25, 2023
Sunday, September 11, 2022
Thursday, March 7, 2024
问题:在气焊气割作业中若氧气管、液化气管着火应该怎么安全处置?...
Thursday, September 28, 2023
Wednesday, November 2, 2022
Friday, May 3, 2024
问题:GB 6678-86《化工产品采样》中对采样中样品量的确定原则是在满足需要的前提下,样品量要求()越好。A、越多B、越少C、适量...
Monday, July 31, 2023
Thursday, March 7, 2024
问题:红矾车间酸化锅进料空高为多少?酸化液贮罐空高为多少?压完料后应怎么样安全操作?...
Thursday, November 24, 2022
Friday, May 3, 2024
Friday, March 8, 2024