桌上有两袋牛奶，一块面包 » Two bags of milk on the table, a piece of bread 原材料-铅 » Raw materials - lead 你忽冷忽热的 » You are now hot and now cold ..
基于6个网页-相关网页
Raw Materials Requisition Lead Time 采购原料的前置时间
Part of its original intent was to provide teachers with the raw materials to lead a course, especially in the outer reaches of the globe.
其最开始的本意是想给老师们提供原材料使他们能站在科研的前沿，特别是在外太空领域。
Or will human ingenuity lead to the more efficient use of existing raw materials and the discovery of new sources of supply?
还是人类的独具匠心更有效地利用现有原材料，发现供给新能源？
Copper production process for the lead with raw materials, through multi-channel Flap molding.
铜条生产工艺铅带为原料，通过多道折边成型。
应用推荐