point of contrary flexure
[石油英汉词典]
point of contrary flexuren.拐点
是什么意思,point of contrary flexure的解释,point of contrary flexure的翻译
[新英汉石油技术词典] point of contrary flexure
point of contrary flexure
[石油英汉词典]
point of contrary flexure是什么意思,point of contrary flexure的解释,point of contrary flexure的翻译
[新英汉石油技术词典] point of contrary flexure