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Thursday, September 15, 2022
影响吸收操作的因素有()。A、塔内温度B、溶液浓度C、气流速度D、以上均正确...
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Thursday, September 15, 2022
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要降低装置腐蚀,在含硫天然气脱水时,应保证溶液PH值在()。...
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电化腐蚀是由于不同的金属间电化学势差的不同而产生的腐蚀。...
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当传热面积一定,管子数目一定时,增加管程对传热系数的影响有()。A、传热系数降低B、传热系数增加C、传热系数不变D、都不对...
Thursday, December 21, 2023