要供给清洁干燥无灰尘的垫草。
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.
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.
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.
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