When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
When connecting bus duct, standard fastener and special elastic washer are used, and fastened with torque spanner, to keep electrical contact in good manner.
母线槽的连接采用标准紧固件和特制弹性垫圈，并用扭力扳手旋紧，保护接触良好。 。
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