“Depressants”可以造什么句，Depressants造句

Study on Preparing, Evaluating Capability and Exploring Mechanism of the Pour Point Depressants and Viscosity Reducers in Crude Olis;

Synthesis and Evaluation of Pour Point Depressants for Daqing Diesel Oil;

Research Progress and Discussion of the Performance Mechanisms Between Pour Point Depressants and Wax in Waxy Crude Oils