Description
接地总干线与接地体之间应采用焊接。埋地的接地干线可用有效截面积相同的热镀锌扁钢或圆钢进行焊接。接头可采用搭接，扁钢搭接长度为宽度的2倍，园钢为直径的6倍，接触应良好，连接应牢固，焊接处应做防腐处理。
Cummins Water Pump 3801788
Merlin Gerin NS100H circuit breaker NEW
Allen Bradley 836T352J Differential pressure control
Endree Hauser DU 221 ultrasonic sensor
Centralp 100026-0/E card ZS542
Centralp 1300B8-1-AH card. PM961
Newport 2002B Digital Process Reciever NEW
Siemens 6EP14342BA00 power supply
Cummins valve 3017993
