1·Remove the rust parts, grease, graphite, smeary, fingerprints, mechanical scraps, polishing wax, dust, attachments rosin, flux, etc.
清除零件上的锈、油脂、石墨、油污、指纹、机械切屑、抛光腊、灰尘、松香、助焊剂等附着物。
2·The property of metal detergent consists of two kinds of gemini surfactants(dialkylphenyl bisulphonate and bisphenolic polyoxyethylene ether) was studied for cleaning the smeary surface of aluminium.
研究了以双辛基酚聚氧乙烯醚和双烷基苯双磺酸盐这两类双子表面活性剂为主的金属清洗剂的清洗性能。
3·It is the key of the paper to design a type of detecting structure, which can avoid being contaminated by smeary oil, so that the on-line test of oil content in the wastewater can be realized in deed.
此次设计的关键之处是设计了一种避免油污污染测量探头的结构，从而使污水含油率检测能够实现真正的在线。