piling drawing 中文意思是什麼
piling drawing
解釋
打樁圖-
In order to avoid damage the surround of the prestressed steel by friction with the ground when steel piling up, the drawing drum shall be made for the steel use and it is required to most possibly avoiding its friction with ground
回答:為避免堆放時預應力筋與地面摩擦而損壞包裹層,應製作放線盤放料,沿下料方向應盡量減少與地面接觸。
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