青云翻译

3.1.9.4.1 blasting equipment, the workpiece as close as possible to reduce pipe length and pressure loss, to avoid excessive wear of the pipeline, but also to facilitate the construction workers with each other.

3.1.9.4.1 sand-blasting equipment as close as possible to the workpiece, to reduce line length and pressure loss, avoid excessive pipeline wear and contact each other and make it easy for builders.

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3.1.9.4.1 sand-blasting equipment as close as possible to the workpiece, to reduce line length and pressure loss, avoid excessive pipeline wear and contact each other and make it easy for builders.