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Terms for subject Engineering geology containing straight | all forms | exact matches only
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straight arch平拱
straight bit一字形钻头
straight cement纯水泥
straight coastline平直海岸线
straight dynamite纯炸药
straight flow pump直流泵
straight flow pump轴流泵
straight hole垂直孔
straight rotary drilling正循环回转钻进
straight rule划线尺
straight rule直尺
straight slip surface土坡滑坍的平滑面
straight tamper平夯