Cast iron manhole cover anti impact resistance, easy rupture.
铸铁检查井盖不耐冲击，易破裂。
The effect of rare earth on impact fatigue property of cast semi steel was studied.
研究了稀土元素对半钢冲击疲劳性能的影响。
The effect of rare earth on impact fatigue property of cast semi steel was studied.
研究了稀土及热处理对半钢组织中碳化物的形貌与力学性能的影响。
They cast a very bad impact on the construction of an incorrupt politics.
这些问题的存在对廉政建设产生了极为严重的负面影响。
They cast a very bad impact on the construction of an incorrupt politics.
这些问题的存在对廉政建设产生了极为严重的负面影响。
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