A.200B.180C.280D.100
A.蒸汽通過布設(shè)在油罐內(nèi)的加熱管B.蒸汽通入加熱器C.蒸汽通入墊水層D.水蒸氣直接通入被加熱的油品
A.掃倉(cāng)快完畢前,關(guān)閉轉(zhuǎn)子泵、關(guān)閉進(jìn)口、出口相應(yīng)閥門B.掃倉(cāng)完畢后,關(guān)閉轉(zhuǎn)子泵、關(guān)閉進(jìn)口、出口相應(yīng)閥門C.掃倉(cāng)快完畢前,關(guān)閉進(jìn)口、出口相應(yīng)閥門、關(guān)閉轉(zhuǎn)子泵D.掃倉(cāng)完畢后,關(guān)閉進(jìn)口、出口相應(yīng)閥門、關(guān)閉轉(zhuǎn)子泵