被称为 “ 爬行”的表观滑动的大小取决于牵引力.The amount of apparent sliding, known as'creep ', is dependent upon the tractive effort.拱坝设计中很少考虑倾覆和滑动的问题.Overturning and sliding are seldom a factor in the design of arch dam.螺旋体和其他滑动的生...
Significant economic losses can be associated with ALV - J infection.重大经济损失可以同ALV -J 传染联系在一起.Develop practical methodologies for diagnosis of ALV - J related field problems in broiler flocks.开发ALV -J 相关领域问题诊断的实用方法学在烤焙用具群...