W-type vacuum pump repair methods and quality standards

1 Cylinder 1.1 Measure the cylindricity and cylindricity of the cylinder, determine the boring cylinder or replace it according to its degree of wear. 1.2 Cylinder roundness and cylindricity comply with the provisions of Table 5. Cylinder diameter Maximum wear Circularity Maximum wear Cylinder

9m coach car

China Automotive Net Coach Trainer Catalogue of China's Ministry of Industry and Information Technology Coach Vehicle Auto Announcement All 1 Categories 33 Manufacturers 29 Coach Vehicle Brand 204 Trainer Product Information, Latest Coach Vehicle An