|
21. | four roller bit |
| 四牙轮钻头 |
|
|
| |
22. | LIAO: Four Great Tribes |
| 四大部 |
|
|
| |
23. | The Sign of Four |
| 四签名 |
|
|
| |
24. | four-abreast hitch |
| 四马一套 |
|
|
| |
25. | four-fold wooden rule |
| 四折尺 |
|
|
| |
26. | four backs system |
| 四后卫制 |
|
|
| |
27. | SONG: Four Capital Townships |
| 四厢 |
|
|
| |
28. | four sector economy |
| 四部门经济 |
|
|
| |
29. | four cardinal vitues |
| 四主德 |
|
|
| |
30. | four-axle truck |
| 四轴载重汽车 |
|
|
| |