maximum unsupported span是什么意思

用法例句

A simplified method is adopted in defining the maximum span distance between two supports,and calculating the maximum length of pipe free end.

可供核电站其它系统管道支架最大跨距计算借鉴。

Extension on determining the problem of minimum spanning distance between two rollers of conjugate cam mechanism;

共轭凸轮机构两滚子间最小跨距问题讨论的延伸

Via a thorough considering of the structural types-F and P, A sollution to the minimum spanning distance of equidiameter earn mechanism is offered.

全面考虑了共有的Ｆ型和Ｐ型两种结构型式，针对两尖顶或两滚子中心皆位于和皆不位于直动从动杆导路上的两种情况，研究解决了直动从动杆等径平面凸轮机构两浪子中心间的最小跨距问题。

Via considering two earn mechanisms in its entirety-the type F and type P,this paper researches and solves the minimum spanning distance problem of translating follower plane conjugate earn mechanisms.

全面考虑了共有的Ｆ型和Ｐ型两种结构型式，研究解决了直动从动杯共轭平面凸轮机构两滚子中心间的最小跨距问题。