波纹管膨胀节涨缩接头伸缩接口膨胀节理伸缩接头伸缩节膨胀接伸缩接缝伸缩接合伸缩接管膨胀补偿节

Bellows expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints Expansion joints expansion joints expansion joints expansion joints expansion joints expansion joints expansion tubes expansion compensation joints

以上为机器翻译结果，长、整句建议使用 人工翻译 。