Application of polyurethane enamel on farmer trucks with key points in the processes of phosphating, priming, atomic ash puttying and enamel spraying is described.
介绍农用运输车磷化、喷涂底漆、涂刮原子灰、喷涂聚氨酯磁漆等工艺流程及注意事
。
雷管;起爆
;
火药;
填物;底漆
想词Application of polyurethane enamel on farmer trucks with key points in the processes of phosphating, priming, atomic ash puttying and enamel spraying is described.
介绍农用运输车磷化、喷涂底漆、涂刮原子灰、喷涂聚氨酯磁漆等工艺流程及注意事
。
Semantic encoding was one of the conditions to priming for new associations, but unitization played a crucial role at the same time.

系程度较紧时,并不一定需要语义加工,而
系程度不紧时,语义加工则是必要的。
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;若
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