成年免费A级毛片免费看

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您的當前位置 > 首頁 > 塑料馬凳H130-140A
塑料馬凳H130-140A
產品名稱:塑料馬凳H130-140A
產品編號:20120409154319325
規格型號:H130-140A
簡 介:
        傳統的做法是塑料馬凳利用現場鋼筋廢料制作,當然量大時也用鋼筋原材料加工。塑料馬凳制作雖無國家標準,但根據積累的鋼筋施工經驗,一般也有個大的尺度范圍,如馬凳筋直徑一般為板鋼筋直徑或小于一個級別。塑料馬凳間距一般為1000㎜左右,馬凳筋上部水平長度一般為鋼筋間距加5~10CM。
       下部有兩個水平段,一個水平段的長度與上面水平相同,另一個水平段只需10CM即可,這樣可以形成三個支點,三點是平衡的。如果兩個水平段都按鋼筋間距加5~10CM則會浪費,如果下部兩個水平都只有10CM,則不穩定,容易倒。

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成年免费A级毛片免费看
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