Securing of loads on road vehicles; Securing of precast concrete elements - Plane concrete elements 是非强制性国家标准,您可以免费下载预览页
precast concrete泵送混凝土 pumped concrete素混凝土 plain concrete钢筋混凝土 reinforced concrete预应力混凝土 prestressed concrete干硬性混凝土 stiff concrete塑性混凝土 plastic concrete流动性混凝土 flowing concrete大流动性混凝土 high flowing concrete...
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