要供给清洁干燥无灰尘的垫草。
继电器外壳应清洁无灰尘。
洁净、无灰尘、无污点、无油渍，以客户验收、签字为标准。
Clean, no dust, without stain, without oily be soiled, customer acceptance, signed for the standard.
表面处理：施工表面必须清洁，无积水、无蜡、无灰尘、无油污及其他附着物。
Surface treatment: the surface must be clean, no water, no wax, no dust, no pollution and other fixtures.
接合面必须清洁，干燥，无灰尘或油污，若是塑料物件，应先用砂纸打磨其表面，使之粗糙。
Surface must be completely cleam. dry and free of dust and oil. If applieed on plastic, polish the surface with sand paper to make it rough.
像维护你的车子一样维护你的电脑，保持它的干净(无灰尘)，每年都调整清理一下，可以找一个专业人士对你电脑简单检查一下，解决一些问题。
Maintain your computer the way you would your car. Keep it clean (dust free) and take it in for a tune-up every year - having an expert do a simple check can identify computer - killing problems.
企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.
冰箱里的玻璃杯必须保持清洁，无污点并没有灰尘。
Refrigerator glasses should be clean, spotless and free from dust.
无严重影响触头盒绝缘的气体、蒸汽、灰尘及其它爆炸性和腐蚀介质的场所。
NO gas , wapor or dust that may severely affect the insulation of contact box, no explosive or corrosive substance.
最后用无绒布将灰尘或线头彻底擦干净。
A final wipe down with a lint free cloth helps remove any dust or lint.
最后用无绒布将灰尘或线头彻底擦干净。
A final wipe down with a lint free cloth helps remove any dust or lint.
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