采用SDS裂解法提取了葛属植物成熟叶片的基因组dna，并利用凝胶纯化试剂盒进行了纯化。
Genomic DNA of mature leaf in pueraria DC is extracted in SDS method. And the DNA is purified with DNA gel Extraction kit.
采用线切割的方法制作涡轮叶片砂芯芯盒，用该芯盒手工起模制作叶片砂芯。
Sand core for the blade was made by hand drawing the pattern from core box. The way of core making is feasible on a medium scale production.
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