在此基础上还模拟了不同过热度下铸坯的凝固组织。
Otherwise, the solidification structure for different superheat was simulated.
在此形势下，举办这样一场庆典活动有助于重温历史、凝聚共识，加强团结，共铸和平。
Under such a situation, to host the celebrations will help people review history, gather consensus, strengthen solidarity and build peace.
灰口铁--一种铁碳和硅的合金；易于铸造；在铸态下具有很好的压力紧固性。
Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
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