近年来，我处陆续购进几台苏制Ｔ—１７０型推土机。该机在施工生产中发挥了重要作用，其耐用、省油、低成本的特点，受到广大用户的认可。该机原设计考虑到北方天气寒冷，柴油机启动困难，因而特别设计了一种汽油发动机启动，亦称副机启动。在实际施工中，该机的主要故障也集 In recent years, I have purchased several Soviet-made T-170 bulldozers. The aircraft has played an important role in the construction of the production, its durable, fuel-efficient, low-cost features, recognized by the majority of users. The original design of the machine took into account the cold weather in the north and the difficulty in starting the diesel engine. Therefore, a special design for the start-up of a gasoline engine was also proposed. In actual construction, the main fault of the aircraft is also set