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交通系统使用的柴油机有790余种,喷油嘴有200多种,其结构不同性能参数各异,命名及型号表示方法不统一,给油嘴制造、修配、订货和使用带来不便。过去有的用柴油机的型号表示喷油嘴的型号;有的船舶为订一只油嘴要费较多口舌,也难以讲清,容易弄混出错。为改变喷油嘴多型号、小批量和配件生产不适应的局面,为简化工
There are more than 790 kinds of diesel engines used in the transportation system, more than 200 kinds of fuel injection nozzles, different performance parameters of different structures, different naming and model representation methods, and inconvenience to manufacture, repair, order and use of the fuel nozzle. In the past, some models of diesel engines were used to indicate the type of fuel injectors. Some ships required more than one tongue to set an oil nozzle, and were difficult to clarify and easily confused. In order to change the nozzle more models, small quantities and parts do not meet the production situation, to simplify the work