车钩调查组以走访现场、召开座谈会等形式广泛征求了工人、技术人员对车钩设计、铸造质量、检修、使用等方面的意见。看到了现场工人由于高度的工作责任感和丰富的实践经验,在制造、检修车钩,在提高质量、改善互换性、消除惯性故障等方面做了大量的工作。由于铁路运输事业的日益发展,机车牵引力和运载量的不断提高,作为机 The survey team of hooks extensively solicited the opinions of workers and technicians on the design of coupler, quality of foundry, overhaul and use of vehicles by visiting the site and holding symposiums. It is obvious that on-site workers have done a great deal of work in manufacturing and repairing the coupler due to their high sense of responsibility and rich practical experience in improving quality, improving interchangeability and eliminating inertia failures. Due to the increasing development of railway transportation, the traction and carrying capacity of locomotives are continuously increasing.