fixed abrasive grain 固定磨粒
Leo: Yes, one of the pipes was leaking. Tammy said she told Mr. Grain, the manager, but he didn't have it fixed.
李奥：有啊，有一条水管在漏水。塔米说她已经告诉经理葛瑞先生，不过他没有请人来修。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
The new policy allows peasants to sell their surplus grain in the free market after they fulfil the fixed quotas of farm produce to be sold to the state.
这项新政策允许农民在完成国家的派购任务后可在自由市场出售多余我粮食。
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