flat thread造句
例句与造句
- Hexagon bolts for high - strength structural bolting with large width across flats thread lengths according to gb t 3106 - product grade c - property classes 8 . 8 and 10 . 9
栓接结构用大六角头螺栓螺纹长度按gb t 3106 c级8 . 8和10 . 9级 - It's difficult to find flat thread in a sentence. 用flat thread造句挺难的