n. assortment
misc. wood assortment
随着电站设备中金属部件使用钢材种类的逐渐增多，不可避免地会遇到异种钢焊接的问题。
Dissimilar steel welding is inevitable with more and more types of steel being used for metallic parts in power station equipments.
雪松这一特殊的木材种类是基于以下因素而挑选的：防腐、木材的香气、颜色、本地资源以及品质。
The specific type of wood, Cedar, was then selected based on a number of factors; such as resistance to rot, aroma, colour, local sources, and quality.
你们买的摄影器材种类齐全吗？
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