今年一月国家标准总局发出了“关于修订内燃机台架试验方法及技术条件两项国家标准的通知”,指明铁路牵引用柴油机可以根据不同使用要求制订专业性试验方法标准,经试行一个时期以后,再提升为国家标准。要使这两项重要的技术标准修改、制订得既合理、适用又符合同行业的国际标准并不是容易的事情,这里提出一些个人意见。(一)关于建议内容的说明1.关于标定功率和标准状况 In January this year, the SAIC issued the Circular on Revising Two National Standards on Testing Methods and Technical Conditions for Internal Combustion Engine Bench Tests, stating that diesel locomotives for railway traction can formulate standards for professional test methods according to different requirements for use. After a trial period, Then upgrade to national standards. It is not easy for these two important technical standards to be revised and formulated to be both reasonable, applicable and in accordance with the international standards of the industry. Some personal opinions are put forward here. (A) on the contents of the proposal 1. On the calibration power and standard conditions