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如轨道基准面、道渣厚度、轨道平直度等不合格,塔机运行晃动或歪斜;
Such as track datum, ballast thickness, flatness of the track is not qualified, the tower crane swing or skew;
youdao
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如轨道基准面、道渣厚度、轨道平直度等不合格,塔机运行晃动或歪斜;
Such as track datum, ballast thickness, flatness of the track is not qualified, the tower crane swing or skew;
youdao