全熔透焊缝不存在包角的问题。

With a full pen weld, the question of "return" doesn't come up.

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接管和人孔的焊缝应为穿过容器壁的全熔透。

All welds for nozzles and manways shall be full penetration through the vessel wall.

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在小电流薄板脉冲TIG焊接全熔透的试验条件下进行了试验，并获得了所需数据。

Experiments were conducted under the conditions of TIG welding with small current and thin plates. The desired dada was extracted.

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