The solvent feed should be brought in to maintain the level.
应引入溶剂以维持液位。
When the level has stabilized the solvent feed to be regenerated should be cascaded to the level control.
当液位稳定后，要再生的溶剂进料应串接到液位控制？
The high melting-point paraffin wax was prepared by taking slack wax as feed and MIBK as single solvent for deoiling.
用减三线蜡膏为原料，采用MIBK单一溶剂脱油新技术，进行蜡膏脱油制取高熔点石蜡研究。
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