原文：
Chicago Tribune (pre-1997 Fulltext) - Chicago, Ill. Author: Joseph Szczesny Date: May 20, 1990 Start Page: 1 Section: TRANSPORTATION Text Word Count: 858 Abstract (Document Summary) Marketing experts working on behalf of the Japanese in the U.S. have done a superb job of selling the virtues of the multivalve layout, particularly to the so-called buff books, car magazines that are biased in favor of anything that seems new and different. American engineers, meanwhile, build a pretty good case on behalf of the traditional or conventional two-valve-per-cylinder layout used by domestic manufacturers such as General Motors Corp., Ford Motor Co. and Chrysler Corp. Their defense of the conventional engines goes beyond sour grapes. Don Miles, who oversaw development of GM's multivalve "Quad 4" engine and is now chief engineer for V-6 power trains at GM's Buick-Oldsmobile-Cadillac Group, says there are plenty of technical reasons to stick with the traditional two-valve-per-cylinder layout. Reproduced with permission of the copyright owner. Further reproduction or distribution is prohibited without permission.
原文来自： http://pqasb.pqarchiver.com/chicagotribune/access/28770348.html?dids=28770348:28770348&FMT=ABS&FMTS=ABS:FT&type=current&date=May+20%2C+1990&author=Joseph+Szczesny&pub=Chicago+Tribune+(pre-1997+Fulltext)&desc=More+valves+don%27t+necessarily+mean+better+value&pqatl=google

More valves don't necessarily mean better value： 是由 提供的阀门新闻，中文译文仅供参考(上海依耐泵阀有限公司还生产 及三片式法兰球阀，主安全阀，外螺纹球阀，双杠杆安全阀，高压内螺纹球阀，欢迎您的选购。)
以下是参考译文：

译文：双阀引擎开发
芝加哥论坛报（1997年前的全文） - 芝加哥，伊利诺伊州 作者：约瑟夫什琴斯尼 日期：90年5月20日 初始页：1 组：交通运输 文本字数：858 摘要（文件摘要） 市场营销专家对日本在美国的代表组织工作做了出售的多气门布局的优点，特别是对所谓的浅黄色书籍，汽车是在任何新的不同似乎偏袒杂志出神入化。 美国工程师，同时，建立在传统的或传统的双阀每缸布局国内厂商使用，例如通用汽车公司，福特汽车公司和克莱斯勒汽车公司，他们对传统发动机防御代表一个不错的情况下超越酸葡萄。 唐迈尔斯，谁监督通用汽车的多气门“四4”引擎开发，现在总工程师的V - 6，通用的别克动力列车奥兹莫比尔，卡迪拉克集团说，目前的技术原因，坚持与传统的两阀很多，每缸布局。 转载与著作权人许可。进一步复制或发行未经允许不得。

更多新闻