Tuesday, September 13, 2022
搞好润滑,应坚持“五定”、“三级过滤”。“五定”是()、()、(...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
蒸汽锅炉出厂时,锅炉制造单位应至少提供哪些随机资料?()...
Tuesday, September 13, 2022
Friday, September 16, 2022
使用锅炉的主管部门应每()对本系统内的锅炉房做一次安全检查。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
锅炉负荷不变,给水温度降低时,过热汽温升高,其原因是()。A、过热热增加;B、燃料量增加;C、加热热增加;D、加热热减少。...
Tuesday, May 7, 2024
自然水循环锅炉的蒸发受热面中,受热存在不均匀现象,受热强的管子易...
Tuesday, September 13, 2022
为防止再生过程中产生硫酸钙沉淀,除按规定保持低浓度外,还应注意再...
Friday, September 16, 2022
一般情况下每()年对锅炉进行一次热效率测试。A、1;B、2;C、3;D、4...
Wednesday, April 26, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
为保证炉排的冷却,自炉排下进入的空气只能加热到()℃。...
Friday, September 16, 2022
Tuesday, September 13, 2022