Thoroughly clean pipe internally with air or steam.

要用空气或蒸汽全面彻底地清洗管道内部。

Thoroughly clean all door thresholds of dirt and debris.

彻底清除所有门槛上的污垢和杂物。

Thoroughly clean the area around the injector with compressed air.

用压缩空气彻底清理喷射器周围区域.

Thoroughly clean threaded end to remove any harmful steel or iron deposits.

彻底清洗螺纹末端,清除任何有害的钢或铁沉淀物.

Care must be taken to ensure that the surfaces are thoroughly clean first, for dirt will weaken the weld.

必须注意，首先要保证焊接头表面十分清洁，因为污物会减弱焊缝的强度。

Care must be taken to ensure that the surfaces are thoroughly clean first, FOR dirt will weaken the weld.

必须注意，首先要保证焊接头表面十分清洁，因为污物会减弱焊缝的强度。

Before overcoating thoroughly clean the surface exposed in contaminated environment by high pressure fresh water hosing and allow to dry.

若漆膜在使用期间暴露于污染环境，在涂漆前，须用高压淡水冲洗表面， 任其自干。