The airborne carcinogens are in the atmosphere as absorbed matter on soot particles . 空气传播的致癌物在大气中是烟炱粒子上吸附的物质。
2.
Although soot had been found throughout the world , fires need not have erupted everywhere , because soot could have been blown to some sites by the wind 虽然全世界各地都有发现烟炱，但是火焰却不见得处处都有，因为烟炱有可能是被风带过去的。
3.
Good cigarette tai s dispersiveness , shear the stability and fuel economy , can reduce fuel and engine oil to consume , improve and discharge and reach the class ii standard in europe effectively at the same time 良好的烟炱分散性剪切稳定性和燃油经济性，可降低燃油和机油消耗，同时有效的改善排放达到欧标准。
4.
The extremely good high temperature is peace and quiet , can prevent because adopt two pairs of metal piston and high pressure not to gush out , delay advanced high smoke tai wearing and tearing of the engine under the terms that technology cause of spraying etc . and corrode direct effectively , can keep the engine highly clean 极佳的高温清净性，可有效防止因采用两段双金属活塞及高压直喷延迟喷射等先进技术所造成的高烟炱条件下发动机的磨损和腐蚀，可保持发动机高度清洁。
