boundary member的用法和样例：
例句
- Determine the proper bushing length from the thickness of the center member to be inserted between the friction facings.
由设于摩擦板间的中心构件厚度，决定正确的轴衬长度。 - The first case member has a hinge receiving portion, and the second case member has a hinge inserting portion.
所述第一壳构件包括铰链接纳部分，所述第二壳构件包括铰链插入部分。
