major axis

基本解释

A product can have more than one major axis (see Figure A Appendix 1), but they must be equal in length.
一个产品可能有多个主轴（参看附录1图A），但长度必须是相等。
Flammability: Definition of major axis has been re-defined, while the definition of accessories, strings and paper have been added.
阻燃性：主轴的概念被重新定义，同时加入了附件、绳和纸的定义。
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Some technical retrofits were conducted for the major axis and the bearing base to increase productivity and prolong the service life of dryers.
对设备主轴及轴承座进行技术改造，提高了设备产能，延长了设备使用寿命，取得了良好的技术经济效果。

Tuscaloosa and Joplin, while hardly tornado-free, are a ways off the usual major axis of destruction.
FORBES: The Great Tornadoes Of 2011 Put In Perspective
When I talk about the axis of oil, what I refer to is a loose coalition of both major energy exporting nations and, on the other side of the market, a group of major energy importing nations for whom energy is providing the basis for a greater strategic collaboration, a collaboration that in many ways works against U.S. interests.
NPR: U.S. Foreign Policy and the Axis of Oil
Mr. LEVERETT: I think that if you really go down the list of what are the major challenges for American foreign policy, a very significant percentage of them get tied up with this axis of oil.
NPR: U.S. Foreign Policy and the Axis of Oil