箱形截面构件薄壁板与内隔板电渣焊接时，易产生壁板烧穿和焊缝未熔合现象。

The weld defects of incomplete fusion and burn through always occur when the electro-slag welding is used between the outside thin metal plate and the inner clapboard in a box-section member.

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南希看到其他旅客都拿着行李箱离开了机场，不禁怒火中烧。

Nancy couldn't help but feel baggravation as she watched other passengers get their luggage and leave the airport.

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