边孔 meaning in Chinese
edge boring
lateral opening
Examples
- General equations and uncertainty guidelines - concentric , square - edged orifice meters
通用方程和不确定度指南.同心方边孔板流量计 - Glass globes ; round handling - , hole - and flanges - edges measurements for connexion
玻璃灯罩:第1部分:连接用圆形手柄边孔边和法兰边测