液氯钢瓶的充装证书有效期为()A、半年B、2年C、5年...
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氯气走石英灯头的(),氢气走石英灯头的(),两者在灯头前混合燃烧。...
Tuesday, October 24, 2023
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包装完毕后,确认包装管的所有抽空角阀和充装角阀关闭。确认中间槽液位控制在(),严禁超出此规定范围。开旁通阀,使管内压力与中间槽压力平衡。...
Thursday, October 26, 2023
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液氯生产过程主要有()、()、()等三项突出的控制指标危及到安全生产。...
Saturday, March 30, 2024
YLJ-300/3.0型纳氏泵属于()、()、()压缩机。...
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Saturday, September 10, 2022
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在氯气阀的填料层加入一定量油脂,目的是()。A、防止阀门内部生锈...
Monday, January 16, 2023
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精度等级较高的仪表为()。A、0.4级B、1.5级C、2.5级...
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电路中所接的负载起()作用。A、传递电能B、供给电能C、取用电能...
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