In Choosing Material 在选购材料
rationally choosing material 合理选材
Material choosing 原料选择
choosing green material 绿色材料选择
choosing teaching material 教材内容选择
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。
An example of choosing material of crank in the database is given to validate the method.
并在此数据库中,以曲轴选材为实例,验证了所提方法的可行性。
PVT represents pressure, velocity and time. Don't calculate single factor in choosing material of bearings.
PVT代表压力、速度和时间,在选择轴承材料时,不能把单个因素分开考虑。
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