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51. | multi - bucket excavator |
| 多斗挖掘机 |
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52. | bucket thermometer |
| 水桶温度计 |
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53. | bucket unloader |
| 链斗卸船机 |
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54. | grab bucket loader |
| 抓斗装载机 |
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55. | relative plug radius |
| 比活塞半径|相对活塞半径 |
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56. | belt bucket elevator |
| 带头式提升机 |
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57. | piston pin snap ring |
| 活塞销锁圈, 活塞销扣环 |
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58. | grab bucket gantry |
| 抓斗龙门吊 |
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59. | travelling bucket crane |
| 移动式抓斗起重机 |
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60. | galvanized iron bucket |
| 白铁桶 |
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