0224 - Shanghai's Industries Achieve New Success In Technical Innovation. W...Front
Shanghai's Industries Achieve New Success In Technical Innovation. Workers of the Shanghai Chienshe Machinery Plant use a self-made small cutter to shape the curved surface of a big workpiece. Workers of the plant frequently make huge workpieces with small machine tools. This method called "ants gnawing at a bone" manifests their spirit of hard struggle.
Image details
| Front | Yes |
|---|---|
| Place | |
| Year | 1975 |
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