1) fracture span
破断跨距
1.
And the key stratum is considered to be an elastic thin plate under the uniform loads of water pressure etc,and its limiting fracture span is obtained.
将煤层底板至含水层之间承载能力最大的一层岩层看作底板关键层，从而将采场底板突水的研究转化为对底板关键层破断机制的研究，将关键层看作受水压等均布载荷作用的弹性薄板，得出了它的极限破断跨距公式，并提出了利用已知突水事故资料反演预测岩体强度的方法，提高了理论计算精度。
2) breaking span
破断步距
3) broken length
破断距
1.
Influence of mining height of main roof on broken length
采高对浅埋煤层老顶岩层破断距的影响
4) span
[英][spæn] [美][spæn]
跨距
1.
Arch pipe is a long-span structure made with bending and welding steel tube which is characterized by no requirement of the arch hinges.
从分析计算表明,跨距在30~90米之间,应优先采用拱管跨越方式。
2.
When the customer as well as the manufacturers selects the ADSS types, besides considering the fiber numbers of ADSS, sometimes they define ADSS type based on span.
目前,无论是用户还是生产厂家,在ADSS光缆选型时,除了提出光缆的光纤芯数之外,往往以“跨距”来定义ADSS光缆。
3.
The influences of span on the motion stability of chains were discussed, and the relationship among chain sags, chain lengthes and chain numbers was studied, and the reasons for tooth-leap were analyzed, and a new-style device preventing tooth-leap was provided.
对垃圾集装箱装卸机构进行了创新设计和开发,提出了垃圾集装箱链条式装卸机构,分析了链传动跨距对机构稳定性的影响,研究了铅垂布置的链传动垂度、链条伸长量和链节数之间的相互关系,分析了跳齿现象发生的原因,提出了一种新型防跳齿装置。
5) span
[英][spæn] [美][spæn]
跨距;跨度
6) span
[英][spæn] [美][spæn]
n.跨度,跨距
补充资料：距破
1.谓抵抗并打败。距，通"拒"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条