北京部队某部改装的231型汽化器的四种节油装置,如图1所示。 1.油针式故装后油针直接控制主喷管的截面(去掉主量孔)以减少供油,其结构如图2所示其零件名称与材料见下表。其主要零件如图3、4、5所示。 A modification of the Beijing unit 231 carburetor four fuel-efficient devices, as shown in Figure 1. 1. Oil needle type after the needle directly control the main nozzle cross-section (remove the main hole) to reduce fuel supply, the structure shown in Figure 2, the part name and material, the following table. The main parts shown in Figure 3,4,5.