A structure of incline plane shoulder has been designed to improve the sealing performance of the joint and it improved the sealing ability effectively compared with the API joint.
为了进一步提高接头的密封能力，设计了一种斜面台肩结构来改善钻杆接头的密封性能，与api结构相比有效的提高了密封性能。
The waterproof layer of the lap joint should stick (welding) firm, tight sealing, no distortion, fold, curling and blister defects.
卷材屋顶防水层的搭接缝应粘(焊)结牢固，密封精密，不得有扭曲、皱折、翘边和起泡等缺陷。
Under certain pre - tension from flange joint bolt, leakage of flange sealing had an obvious decrease, thus resolving sealing failure in cover flange of heat exchange.
在一定法兰连接螺栓预紧力作用下，法兰密封泄漏明显减少，从而解决了热交换器封头法兰密封失效的问题。
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