单词:cylindrical surfaced bearing
单词:cylindrical surfaced bearing 相关文章
If you look up 'tea' in the first cookery book that comes to hand you will probably find that it is unmentioned; or at most you will find a few lines of sketchy instructions which give no ruling on several of the most important points. This is curiou
Why do golf balls have dimples(酒窝, 涟漪)?So that they look cute? NO! Because the dimples maximize the distance golf balls travel. Dimpled balls travel up to four times farther than smooth-surfac
DAVID GREENE, HOST: All right. Now, in Helsinki yesterday, Presidents Trump and Putin also embraced restarting stalled arms control talks. For all the bad blood between the U.S. and Russia, those two nations still inspect one another's vast nuclear a
许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav
今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系,意义。我们常用 to have bearing on something 意思就是同某事有关系,对某事有影响。The decision had much bearing on the way
1. Civil rights leaders are calling for the creation of a citizens review board in North Charleston, South Carolina. NAACP leaders say they want the board to look into complaints of police brutality. The demand's come after a video surfaced of a whit