grip end/bare portion有区别吗(关于焊条)? 焊条一端是引弧的,另一端是焊枪的持有端。看给出的英文应该是中国人写东西,grip end指焊枪的持有端,bare portion是引弧端。 the length of the bare portion (measured from the end to the full cross section of the covering is obtained) shall not exceed 3 mm or the diameter of the core wire, whichever is less. 焊条引弧端长度(从顶端到药皮完全覆盖处界面为止)不超过3mm或者焊条芯线直径,取两者较小值。 [ ]查看更多