作用在构架外露的结构物上的载荷,大部分是由拖曳载荷构成.The major portion of the loading on an open frame structure consists of the drag loading.采用的手法一些是精细的、一些是外露的.Some of these techniques are subtle and some are blatant.外露的垫片需用铝箔胶带密封.Exposed alumi...
详细介绍了激光经纬仪在前照灯检测仪检定中的几种应用方法,使复杂、费时的校准器安置,变得操作简单.And the complex and time - consuming point arrangement of calibrators more easy and convenient with these methods....
The old crone gabbed all day.这老太婆整天喋喋不休.Even if he is a youth of twenty he moves like an ancient crone.他即使是二十岁的青年,行动起来也象个干瘪的老太婆.This crone will not be hushed up any longer.这一罪行再也隐瞒不住了....