... 明胶包埋法 gelatinembedding 包埋, 埋植 embedding,embedding 磷酸盐包埋料 phosphate investment ...
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It indicates under the condition of the same investment, application of straw chemical fertilizer will obtain higher economic benefits than chemical compound fertilizer and diammonium phosphate.
进一步研究还发现,腐熟秸秆与化肥的复混使用可以获得较高的经济效益,其产投比远远高于磷酸二铵和其它普通复混肥。
Objective the purpose of this study was to form a special phosphate bonded investment which was used to for the heat pressed glass ceramics, and its casting accuracy was tested.
目的以修复体的适合性为指标,检测研制的热压铸入型陶瓷专用包埋料的铸造精度。
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