?复合压出机
... 蜂蜜压出机 honey presser 复合压出机 dual extruders 钢丝压出机 insulating extruder; insulating machine ...
While not always immediately apparent how, you can easily make alterations to the object, including alternating nozzles to switch up its color for dual extruders.
ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?
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