It includes the division of dissolving area, the redetermination of its length and width, downhill layout of dissolving area a nd improvement of drilling tunnel and cutting grooves.
包括溶区的划分，溶区长、宽的重新确定；溶区间的下山布置，以及打眼巷、切割槽的改进等。
Methods To make a special treatment and redetermination for the serum specimen of 55, the RF of which were directly detected with latex particle enhanced immunoturbidimetric assay unsuccessfully .
方法对采用胶乳增强透射免疫比浊法直接测定RF失败的55例血清标本进行特殊处理，并重新测定。
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