The switch is connected in parallel with a thermal relay.
开关并接有热继电器。
To monitor the output voltage, a voltmeter is connected in parallel with the load resistance.
为了监测输出电压，将一个伏特计与负载电阻并联在一起。
Because PMT's principal axis is connected with machine base in multi-poles parallel structure, the rigidity of PMT and quality of process are improved.
由于该机床的主轴与机座之间为多杆并联连接，大大提高了机床的刚度，加工质量也有了较大改进。
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