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。
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。
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。
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