亞洲國產(chan)手(shou)機在線無碼:塔吊的分類
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移動(dong)式(shi)(shi)塔式(shi)(shi)塔吊(diao)根據行(xing)走裝置的不同(tong)又(you)可分(fen)為軌(gui)道(dao)式(shi)(shi)、輪(lun)胎式(shi)(shi)、汽車式(shi)(shi)、履帶式(shi)(shi)四(si)種。軌(gui)道(dao)式(shi)(shi)塔式(shi)(shi)塔吊(diao)塔身固定于行(xing)走底(di)架(jia)上,可在專設的軌(gui)道(dao)上運(yun)行(xing),穩...