The manipulators structure , operation principle and hydropneumatic system are described systematically in the paper.介绍一种两自由度液压驱动式上料机械手,包括其机构设计 、 工作原理及液压气动系统....
Una soon fell into a deep sleep.尤娜很快便沉沉睡去。Una closed her eyes to hint that she was tired.尤娜闭上眼示意她累了.Methods: The level of Na + ( Una ) and � � 2 - micoglobulin ( � � 2 - MG ) in urinary were detected in neonates with asp...
Mel turned around and looked at me.她抬起头也看见了我.Mel was conscious, as at other times, of her desirability and warmth.梅尔像往常一样, 感到她的希求和温情.Like others, Mel was first stunned, then later wept.同其他人一样, 梅尔先是不知所措, 接着就哭了起来....
The two heroic sisters quickly headed off the panic-stricken sheep.两个勇敢的小姐妹赶忙上前拦住受惊的羊群。...a young lad's struggle to support his poverty-stricken family...年轻的小伙子为了支撑他贫困的家庭所作的努力He was panic-stricken at the thought he ...