roughing vacuum pump
基本释义
粗抽泵
实用场景例句
交通规划
The roadbed was reinforced with steel beams for the highway expansion.
路基使用钢梁加固以支持高速公路扩建。
公路建设
The roadbed required extensive drainage systems to prevent flooding.
路基需要复杂的排水系统以防止洪水。
土木工程
The soil tests determined the roadbed's load-bearing capacity.
土壤测试确定了路基的承载能力。
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