片语
mechanical test installation机械试验设备
mechanical and electric installation机电安装
machinery机械;机器;机构;机械装置
mechanical industry installation机械装置
mechanical-electrical installation机电安装
semi mechanical installation半机械化设备
mechanical equipment installation机械设备安装
mechanical device[机] 机械装置
mechanical foam extinguishing installation机械泡沫灭火装置
Support at mechanical installation机械安装支持
electrical and mechanical installation机电安装工程
mechanism机制;原理,途径;进程;机械装置;技巧