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一、概况在我厂二胺基甲苯中型试制中,输送催化剂进入反应系统的机器设备——隔膜计量泵(重庆水泵厂制造),其应用范围是:计量输
I. Overview In our plant diaminotoluene medium-sized trial, the catalyst into the reaction system of mechanical equipment - diaphragm metering pump (Chongqing Pump Factory), its scope of application is: Metering