切割厚板时，割口成V型。

Cutting plate, cut into V type mouth.

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割口或擦伤都是不可以的，应为，在他看来，这些都会导致他感染到致命的某种疾病。

Cuts and scrapes are objectionable because in his mind, they can lead to his contracting a disease that could kill him.

youdao

提出了最大Z坐标原则求管-管、板相贯线坡口切割割炬轨迹的方法。

The principle of Z-max was also proposed for the intersecting curve of pipe-pipe-plate.

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