轴颈在轴承面上摩擦.The journal rubs against the bearing surface.此外,在较高的运行速率时, 自转轴承的寿命急剧下降.In addition, spin - bearing life is sharply reduced at higher operating speeds.因此用 “ 外生压轴承 ” 一词更佳.The term " externally pressurized bearing...
"Waltz with me," he said, taking her hand.“来和我跳支华尔兹吧，”他边说边牵起她的手。Even those of us with a tin ear can recognize a waltz.我们这些没有乐感的人也能听得出什么是华尔茲。Her singing of " Evening Waltz " was easy and lively, well - balanced and approp...
You think that moms do all the work during childbirth, right?想想看妈妈们在生产时所做的事好 吗 ?I'm here to bury my Moms. You know that.我回去参加我妈妈的葬礼. 你知道的.From working moms to teenage firls, these women seek out Anna's boutique...
一般说来, “ 静电 ” 和 “ 电流的电 ” 是无差别的.In general, there is no distinction between'static electricity " and " current electricity ".然而各种肠道病毒对氯的抵抗力是有很大差别的.There is, however, a wide variation in the resistance of enteric virus...