派生词是contaction,例如:

1、Analysis of Distributed Parameters of Instantaneous Contaction for Screw-Star Wheel Engagement Pair.螺杆、星轮啮合副瞬时接触线分布参数的分析。

2、Design Conditions of Disk Cams Contaction on Inner Profile with Reciprocating Roller Follower.内廓接触直动从动件盘型凸轮机构的设计条件。