当然, 坐标系 ( x, y, z ) 轴向的选择是任意的.The choice of orientation of the ( x, y, z ) coordinate system is, of course, quite arbitrary.除此之外, 具有曲线型齿线之齿轮在运转时亦不会产生轴向的推力.Moreover, a gear pair with curvilinear - tooth traces operates wi...
In very severe cases, bunions may be surgically removed.在非常严重的情况下，拇趾囊肿可能需要通过外科手术切除掉。He goes to the podiatrist to have his bunions treated.他到足病医生那里去治他的拇囊肿。And remember: Tight shoes can aggravate already existing abnormali...
Talisman, Talisman, show me your secrets.护身符, 护身符, 请把玄机告诉我.Quick as a wink , the lamemouse snatched up the precious talisman.说时迟那时快, 跛足的老鼠一把抓住宝贵的法宝.I am their lucky talisman; my business has never been so good.我是他们命运保护神,...
Passengers are set down at Molete Motor Park.乘客在莫里特站下车。It is necessary to set down these additional rules.有必要制定这些补充规则.She listened attentively and set down every word he said.她专心听着,把他说的话一字不漏地记下来....