Relationship and control of axis sealing and internal pressure directly affects deformation process in tube hydroforming.圆管液压成形过程中的轴向密封力与内压力的关系及控制直接影响到圆管的成形状态.These lasers usually employ chemical combustion to energize d...
壁炉台上是一对明代的青铜花瓶。On the mantelpiece are a pair of bronze Ming vases.他把花放进蓝色阔口花瓶里。He put the flowers in a wide-mouthed blue vase.她失手将花瓶摔得粉碎。She dropped the vase and smashed it to smithereens....
Then there had been the pleasurable excitement of choosing a showy grey stepper for May's brougham.后来为了给梅的马车选一匹体面的灰色快马,他愉快地激动了一阵.She watched us with a sardonic eye as we stepped from the brougham.她用一种蔑视的眼光瞧着我们从四轮马车里...