Michael tells them that they’ll need to do a patch on the hole with plywood and fast setting concrete.
Michael告诉大伙，他们只需要用夹板和快干混凝土将洞遮掩住就行了。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
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