中空液压千斤顶型号吨位（T）行程（mm）受压面积（cm2）使用油量（L）本身高度（mm）伸长总高（mm）外径（mm）内径（mm）重量（kg）RCH-2050205022.90.1615321498737.2RCH-201002010022.90.32217328987310RCH-3050305036.290.251532141158810RCH-301003010036.290.52173281158813.4RCH-6050605067.890.4516422515512517.2RCH-601006010067.890.923134215512523.2RCH-100751007594.981.225434018014041