If oxyacetylene flame or plasma is adopted, surface coat that can impact welding quality shall be removed after cutting.
当采用氧乙炔焰或等离子切割时，切割后必须除去影响焊接质量的表面层。
It can be chosen when the absorptivity rate of surface coat to laser power reaches 30%, and it is not necessary to pursue high absorptivity rate.
在选择表面涂层时，只要所选物质对激光的吸收率超过30%即可满足要求，不必过于追求高吸收率。
Seepage control in dam, design of freezing resistance for concrete face slab, new caulking water sealing material and surface coat on face slab are mainly presented.
本文重点介绍坝体渗流控制，混凝土面板抗冻设计，及新型嵌缝止水材料，面板表面涂料的研究。
Points worthy of attention for various processes including pretreatment, spraying undercoat, baking, transfer printing, renewed coating and spraying surface coat were presented.
指出了前处理、喷底漆、烘干、转印、补膜和喷面漆等各工艺注意事项。
Points worthy of attention for various processes including pretreatment, spraying undercoat, baking, transfer printing, renewed coating and spraying surface coat were presented.
指出了前处理、喷底漆、烘干、转印、补膜和喷面漆等各工艺注意事项。
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