求翻译：实习期间负责领取样机组日程所需的原材料，半成品及成品，填写领料单，保管材料，以及完工后的退料回仓库，填写退料单。是什么意思？

During the internship program the unit responsible for receiving samples of raw materials, semi-finished and finished products, fill out the requisition, storage materials, and after the completion of the withdrawal of material back to the warehouse, back fill material alone.

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Practice period responsibly receives raw material which the prototypical group program needs, the half-finished product and the end product, the filling in issue slip, the storage material, as well as finishes after rejected material to return to the warehouse, filling in draws back the materials li

Internship is responsible for receiving unit schedules the required raw materials, semi-finished products and finished products, complete the picking, storage materials, as well as after the completion of the back to the warehouse, fill in the store credit.