海量資源,盡在掌握
 1.起重滑車規(guī)格系列(表1-19和表1-20)表1-19HQ系列起重滑車(ZBJ80008—87)吊滑輪直徑/mm額定起重量/t鋼絲繩直徑范圍/mm0.320.5123.258101620325080100160200250320滑輪數(shù)量/個631 6.271 12 (共 4563 字) [閱讀本文] >>