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...
在新闻部员工中已经在转发一封电子邮件,呼吁大家自愿裁汰.An e-mail is already circulating amongst news staff calling for voluntary redundancies.彼得一关上门就开始逐一查看起邮件来。Peter starts looking through the mail as soon as the door shuts.如有任何疑问，就给我发邮件。If you ha...
For two days he was languorous and esteemed.两天来,他因身体衰弱无力,受到尊重.A maze of desires, emotions ripened prematurely languorous and listless moods, all written on my face.错综的心愿, 早熟的感情,太多冷漠的情绪, 全写在脸上.The and powderedand lips the...