Based on simulation evaluation test data, the optimal proportion of composite detergent additives is given.

根据模拟评定试验数据，提出了几种清净剂分散剂的最佳比例。

youdao

Generally, this condition results from the use of fuel that does not have sufficient detergent additives or from frequent city driving.

通常，这种情况的起因是由于使用的燃料没有加入足够的清洁添加剂或经常在城市中驾驶。

youdao

Although third generation gasoline detergent additives keep nozzles and intake valves of engines clean, they simultaneously increase combustion chamber deposits (CCD).

第三代汽油清净剂在保持发动机喷嘴、进气阀清洁的同时，增加了燃烧室沉积物(CCD)，这将增加部分污染物的排放。

youdao

Warwick managing director and chief executive Bob Ellis said: "We see China as a great opportunity for our company both in terms of sourcing speciality chemicals for our European distribution businesses and as an emerging market for our detergent additives manufactured in Wales".

BBC: NEWS | UK | Wales | Morgan unveils Shanghai offices