通过实际应用，为了满足导线截面与插针孔孔径匹配，需分叉时用接头。
Through application, in order to meet the demand, wire section should match needle aperture and connector should be used at branching point.
通过实际应用，为了满足导线截面与插针孔孔径匹配，需分叉时用接头。
Through application, in order to meet the demand, wire section should match needle aperture and connector should be used at branching point.
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