Take, for instance, these precast concrete beams.
以这些预混凝土为例。
Bringing precast bridge segments to market will take a bit longer, as more rigorous certification is involved.
将预部分推向市场需要更长的时间,因为涉更严格的认证。
The result is a frame that acts as a skeleton for precast concrete sections which can then be assembled into a bridge.
结果是一作为预混凝土部分的骨,然后可以组装成一座。
With precast products like pavers and blocks, you might shoot steam into the curing chamber to try to accelerate the curing process.
对于摊铺机和砌块等预产品,您可以将蒸汽喷射到固化室中以尝试加速固化过程。
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