目测外观及火花检漏仪检测弯管防腐层。

Visual and holiday detection of the bend coating.

youdao

每根钢丝进行了镀锌处理，悬索也要涂上防腐层。

Each wire is galvanized and the cable is covered with a protective coating.

youdao

对冷缠带在管道防腐层大修中的适应性问题进行了研究。

The study on the availability of these tapes in coating repair is made.

youdao

对冷缠带在管道防腐层大修中的适应性问题进行了研究。

The study on the availability of these tapes in coating repair is made.

youdao