单相双连绝缘电钻
single phase double insulation electric drill
单相双连绝缘管道清理机
single phase double insulation pipeswabbing machine
单相双连绝缘手提砂轮机
single phase double insulation hand grinder
全相抛光机
metallographic polishing machine
微机抛光机
polisher with microprocessor
1#发电机单机启单泵
1# Generator Single Unit Initiating Single Pump
半绝缘GaAs单晶
Semi-insulating GaAs crystal
不可调度式单相光伏并网
undispatchable single-phase photo-voltaic grid-connected
单、双光子吸收
one-and two-photon absorption
单机单负荷电力系统
Single-machine single-load power systems
单机单负荷简化法
single generator single load equivalence method
单机双级螺杆制冷压缩机组
compound two stage screw compressor unit
单机双级压缩
single machine compression with double stage
单面抛光机
single side polishing machine