顺向迁移一定是正迁移，逆向迁移不一定都是负迁移。
参考答案：错
Haven't you learned of the advantage you should _____ other's weak points in order to win the match?[ ]
A. make on
B. make of
C. have to
D. take of
6240ZJ柴油机喷油提前角调整，是通过调整（）。
A、曲轴转角
B、气缸垫片
C、喷油泵垫片
