混凝土骨料可以就地取材，混凝土构件易于成型，但混凝土的抗拉强度很小，用途受到限制。
Concrete can aggregate materials, easy-to-concrete structures forming, but the tensile strength of concrete is very small, limited use.
混凝土骨料可以就地取材，混凝土构件易于成型，但混凝土的抗拉强度很小，用途受到限制。
Concrete can aggregate materials, easy-to-concrete structures forming, but the tensile strength of concrete is very small, limited use.
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