| 1. | They are plodding on . 他们在闷头干活。 |
| 2. | Aerospace series - washers , bulkhead in titanium alloy 航空航天系列.钛合金闷头垫圈 |
| 3. | Welding on flanges collars for bulkhead fittings for pipes 管闷头连接件用法兰套环的焊接 |
| 4. | Dig in . and no making fun of my cooking 闷头吃吧,不许取笑我的厨艺 |
| 5. | Aerospace series - pipe coupling in titanium alloy - bulkhead nut 航空航天系列.钛合金管连接件.闷头螺母 |
| 6. | Aerospace series - pipe coupling 8 30 ' in titanium alloy - unions , bulkhead 航空航天系列.钛合金8 30 '管连接件.闷头活接头 |
| 7. | Flanged bulkhead pieces with fixing collar , for steel tubes , nominal pressure 10 公称压力为10的钢管用带固定套环的法兰管闷头 |
| 8. | Aerospace series - pipe coupling 8 30 ' in titanium alloy - elbows 45 , bulkhead 航空航天系列.钛合金管连接件8 30 ' . 45弯头闷头 |
| 9. | Aerospace series - pipe coupling 8 30 ' in titanium alloy - elbows 90 , bulkhead 航空航天系列.钛合金管连接件8 30 ' .闷头90弯头 |
| 10. | Aerospace series - pipe coupling 8 30 ' in titanium alloy - tees bulkhead branch 航空航天系列.钛合金管连接件8 30 ' .三通管闷头分支 |