| 1. | The ball flow meters can be built with common shop tools . 动球式流量计可以用普通的工厂设备制出。 |
| 2. | Verification regulation of ball pneumatic dead weight tester 浮球式压力计检定规程 |
| 3. | Application of safety clutch with spring and steel ball in drill 弹簧钢球式安全离合器在钻机中的应用 |
| 4. | Two bulb type resistance thermometer 双球式电阻温度计 |
| 5. | Tissue paper and tissue products - determination of ball burst strength 薄纸和薄纸制品.钢球式顶破强力的测定 |
| 6. | Recirculating ball steering gear 循环球式转向器 |
| 7. | Prover ball or piston 球式或活塞式校准装置 |
| 8. | Face - to - centering dimensions for flanged globe - style angle control valve bodies 法兰球式角度控制阀体的端面至中心尺寸 |
| 9. | Rolling bearings , linear motion , recirculating ball , sleeve type - inch series 套筒式往复球式直线运动滚动轴承.英制系列 |
| 10. | Free float type steam trap 浮球式疏水阀 |