... 预先存在的微裂缝：pre-existing microcrack 预先成形：preshaping 预先称重的滤埚：preweighted filter crucible ...
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... presettling预沉淀 预澄清 preshaping预先成形 预先形成 presharpentechnique预加碱染色法 ...
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preshaping of wire [材] 钢丝预成型
·2,447,543篇论文数据，部分数据来源于NoteExpress
Through analyzing the principle of the bundling of steel bar and the automatic binding machine, an advanced new preshaping mechanism of bundling was designed.
通过对棒材打捆成形原理及自动打捆机的分析，提出了一种新型棒材预成形方案。
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