Method of testing for rating computer and data processing room unitary air conditioners 计算机与数据处理间单体气调节器分级测试方法
The high balance crane is widely used for the material feeding and laying off of lathe in the workshop , the workpiece swinging and the spare part assembling of production line in processing room , and the swinging in warehouse and other places 机械高型平衡吊广泛用于工厂车间的机床上下料工序间生产线的工件吊运零部件装配及车间码头仓库等到场合的吊运作业。