本起重機有兩臺小車，兩小車可以同時使用，也可以單獨使用，適用于廠礦企業的車間或露天倉庫吊運長件材料(木材，紙筒，管封，棒材)。
Double—trolley Bridge Crane
With two trolleys that works simultaneously or separately，this crane is suitable to lift long materials(wood，paper tube，pipe and bar)in workshops or outdoor stores in factories and mines．
注：1．大車導電有角鋼和安*滑觸線兩種形式，供選擇。
2．操縱形式有室操(分開式和閉式)，地操和遙控三種，供選擇。
Notes：
1．Power supply for the main vehicle can be either through angle steel or safety slide wire．
2．Operation can be done in the cabin(open-type and closed-type)，on the ground or through remote control.
