The instruments are easy in material choosing, simple in making and low in cost.
该装置具有取材方便,制作简单,造价低等优点。
Mold structure was simplified by choosing product material.
还通过选择产品材料简化了模具结构。
Therefore, when choosing materials, must pay attention to material viscosity cannot too big.
因此,在选择物料的时候,一定要注意物料的粘度不能太大。
Choosing material supplier is one of the important parts in the equipment support.
器材供应商的选择是装备保障中一个重要的决策问题。
Q16: What kind of speed is good for me when choosing a listening material?
好的听力教材应该是什么速度的?
Q16: What kind of speed is good for me when choosing a listening material?
好的听力教材应该是什么速度的?
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