<div layer1="text-s"></div><div class="tz-paragraph">在网上找了一资料，汽车工业发达国家正在进行从高粘度机油到低粘度油的转换，以适应更严格的环保需要<br /></div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club0.autoimg.cn/album/g25/M01/B8/1F/userphotos/2018/04/02/16/500_wKgHIlrB75uADFzkAAFFabpCF1Y821.jpg" style="height:933px;width:700px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club1.autoimg.cn/album/g25/M01/B8/1B/userphotos/2018/04/02/16/500_wKgHIlrB74CAMbo5AAHSPwz69VM662.jpg" style="height:1244px;width:700px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club0.autoimg.cn/album/g24/M0A/B4/0B/userphotos/2018/04/02/16/500_wKgHH1rB716AKk3VAAGUQsM8FxM863.jpg" style="height:499px;width:700px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club0.autoimg.cn/album/g24/M08/B9/76/userphotos/2018/04/02/16/500_wKgHIVrB70aAZbkQAAEDtrjCsCI107.jpg" style="height:430px;width:700px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club1.autoimg.cn/album/g24/M02/BA/E3/userphotos/2018/04/02/16/500_ChcCL1rB7zGAdkZBAAEb-srF4I0481.jpg" style="height:1244px;width:700px"  /></div><div layer1="img-e"></div><br />

汽车工业发达国家的用油趋势，为何我国机油主流还是5W40,0W40?