Below 6410 feet almost all the weight in the distributions is in small pores, as shown by a green peak to the left of the red line.
在6410英尺以下，分布区内的几乎所有重量都处于小孔隙中，如红线左侧的绿色峰值线所示。
Some pores appeared mainly near in the bond line, but porosity can be suppressed to a great extent by increasing welding speed or electron beam scanning.
结果表明，在保证试件完全焊透的情况下，降低电子束的线能量，可在一定程度上提高接头的强度；
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