计算题:现要浇筑一2.5×30×1.2m3(长×宽×高)的砼柱2根,问至少需模板多少平米?
S1=2×(2.5×1.2+3.0×1.2)=13.2m2
S2=S1×2=13.2×2=26.4m2
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
3.在水工建筑物及新浇混凝土附近和灌浆完毕地段邻近,绝不能爆破。
计算题:现要浇筑一2.5×30×1.2m3(长×宽×高)的砼柱2根,问至少需模板多少平米?
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