首先最重要的一点：如果煤气管道内着火，应立即封闭所有入孔、放散管、采封管，并向管道内通大量蒸汽灭火。

First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.

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目的：总结、探讨远外侧经颈静脉孔入路治疗颈静脉孔区颅内-外沟通瘤的手术方法和注意事项。

Aim: The surgical strategy and technique for treating intra-and extracranial tumors at jugular foramen area by far lateral transjugular approach were explored.

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所述螺钉的螺杆直接旋入所述固定件的螺孔内，二者的螺纹紧密结合，从而可将两板体牢固连接于一起。

The screw of bolt revolted into threaded hole directly and the screw thread of them are combined tightly, so the two boards can be connected together firmly.

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