balances of oxygen element and carbon element
finite element and infinite element coupling model
finite element infinite element
the coupled element free Galerkin and finite element method
the coupling element free Galerkin and finite element method
3 000 meter barrier race
Ad Hoc Committee on the Prevention of Arms Race in Outer Space
African American literature a post-racial age race transformations and/or status quos
ball race
滚珠座圈
滚珠轴承环
球轴承滚道
球珠座圈
滚珠轴承坐圈
滚道
套圈