从材料的选购、加工、包装、运输等方面，层层把好关，最后到工地经质检员和库管员验收入库。
From material choose and buy, producing, packing, transportation, etc, should be watched well, finally go into warehouse after inspectors and warehouse keeper check.
从材料的选购、加工、包装、运输等方面，层层把好关，最后到工地经质检员和库管员验收入库。
From material choose and buy, producing, packing, transportation, etc, should be watched well, finally go into warehouse after inspectors and warehouse keeper check.
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