解吸时总推动力与吸收相反,因此总传质系数与吸收也相反。
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根据双膜模型导出的结果可知总传质阻力为气膜传质阻力与液膜传质阻力之和
A. 对
B. 错
Fill in the blanks with proper words given belowcorresponds, discrepancies, amendments, validity, urge1. Sometimes it is necessary to _____1______ the buyer to open the L/C.2. Once the seller has received the L/C, the first thing he should do is to check if it _____2____- with the agreement or contract.3. When _____3_____ or errors occur, the seller should require ______4_____ to be made accordingly.4. The L/C should have a time of _____5______, which generally last 15 to 20 days after the time of shipment