joint coating meaning in Chinese
补口
Examples
- Steel tubes and fitting for onshore and offshore pipelines - external field joint coatings
岸上和海上管道用钢管和配件.外部连接涂层 - Steel tubes and fittings for onshore and offshore pipelines - external field joint coatings ; german version en 10329 : 2006
岸上和海上管道用钢管和配件.外部连接涂层;德文版本en