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Welding seam performed in prefabrication shop denote with "s".
在预制厂焊接的焊缝，用“S”表示。
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Our piping prefabrication workshop covers a total area of 1000m2.
我们的管道预制加工厂拥有一千平方米的面积。
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Prefabrication helps control quality and cost, and future mass production.
预制房屋构件有助于控制品质与成本和实现未来的大规模生产。
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Superstructure assembly of prefabrication is new technique of ship building.
上层建筑整体吊装是船舶建造中一项新工艺。
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The meanings of factory prefabrication of petrochemical pipes were expounded.
阐述了石油化工管道工厂化预制的意义。
词根 prefab
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prefabricated adj. 预制构件的 v. 预先建造组合（prefabricate的过去分词）
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prefab adj. 预制的；组合式的 n. 预制件；组合式预制房 vt. 预先制造；预先构想
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prefabricate vt. 预先制造；预先构思；预制构件