基本解释牵引链,拖链英汉例句双语例句Making a class plan and summing up experience are the tow basic links in a chain of class management.其中班级计划的制定和总结的撰写是班级管理的两个基本环节。tow chain更多例句词组短语短语tow temperature polymerase chain reaction 二温式pcrendless chain conveyer tow 长丝束tow chain更多词组专业释义机械工程牵引链