皮革厚度测试机
leather thickness measuring machine
手动套皮辊机
hand-operated roller covering machine
套皮辊机
leather roller sleeve pulling-on machine
roller covering machine
压缩空气驱动的套皮辊机
compressed-air driven roller covering machine
ATM交换机测试初探
Solution of ATM Switch Test
超声波硬度测试机
supersonic hardness tester
超声电机测试研究综述
Review on Testing System of Ultrasonic Motor
磁粒子测试机
magnetic particle testing machine
大气数据计算机测试
test of air data computer