这是一种用于起重机的卷筒组。
卷筒组是起重机的一种配件。
卷筒组是起重配件的一种。
LD车轮，车轮组，卷筒组，吊钩组，滑轮组，联轴器，钢丝绳，电缆滑车，运行电机，制动器，减速机，电缆卷筒，超载限制器，标准件。
LD wheel, wheel group, drum group, hook group, pulleys, couplings, wire rope, cable pulley, motor, brake, reducer, cable reel, overload limiter, standard parts.
卷筒一被印出来，就会被切割成单个电池组，再用导线连接成盒装电池。
Once printed, the reels can be cut up into individual cells and wired together to make battery packs.
卷筒一被印出来，就会被切割成单个电池组，再用导线连接成盒装电池。
Once printed, the reels can be cut up into individual cells and wired together to make battery packs.
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