充装前应检查气瓶的制造资格,国产气瓶应由具有()单位生产的。...
Friday, September 16, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
为防止乙炔与空气混合发生爆炸,应保持整个工艺系统乙炔纯度不低于(...
Monday, September 12, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
Sunday, September 11, 2022
《特种设备安全监察条例》规定,特种设备超过安全技术规范规定的使用...
Friday, September 16, 2022
充装时,瓶壁温度不得超过规定的极限值,充装时可以用()措施来保证...
Monday, September 12, 2022
气瓶充装单位应有与充装的气体种类相适应的完好的()有符合要求的安...
Thursday, September 15, 2022
公称容积为40L的溶解乙炔气瓶,标准的充装量应是()kg。...
Saturday, September 17, 2022
Sunday, September 11, 2022
Saturday, September 17, 2022
持证作业人员逾期不申请复审或者复审不合格且不参加考试的,注销《特...
Saturday, September 17, 2022
气瓶外表面有无裂纹、()、明显变形及其他严重外部损伤缺陷...
Monday, September 12, 2022
溶解乙炔充装时()。A、只需要计压B、只需要计重C、既需要计压又需要计重D、只需要计体积...
Monday, September 18, 2023
气瓶出厂时,制造单位应向用户逐只出具铭牌或者其他能固定于气瓶上的...
Monday, September 12, 2022
Monday, September 12, 2022
Friday, September 16, 2022
Monday, September 12, 2022