I took pushing rake, broom in the cement work on site.
我拿着推耙、扫把在水泥场地上干活。
Therefore for the cement work protection of research combine not much.
因此对于水泥作业防护服的研究并不多。
Contact cement and other glues do not work.
联系水泥和其他胶水不工作。
In cemented filling method, to choose a proper water cement ratio is an important work.
在胶结充填采矿法中，选择一个恰当的水灰比是一件十分重要的工作。
In cemented filling method, to choose a proper water cement ratio is an important work.
在胶结充填采矿法中，选择一个恰当的水灰比是一件十分重要的工作。
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