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| 51. | mobile crane with articulated jib |
| 铰接臂流动式起重机 |
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| 52. | goose-neck jib tower crane |
| 折臂式塔式起重机 |
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| 53. | gantry crane with jib crane |
| 带臂架小车的门式起重机 |
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| 54. | double link jib in parallelogram |
| 平行四边形组合臂架 |
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| 55. | brace pole of fly jib |
| 副臂支撑杆 |
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| 56. | offset angle of fly jib |
| 副臂安装角 |
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| 57. | revolving mast-type jib crane |
| 定臂转柱起重机 |
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| 58. | mobile crane with lattice jib |
| 桁架臂流动式起重机 |
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| 59. | crane with double lever jib |
| 双臂俯仰起重机 |
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| 60. | He tends to recoil from making difficult decisions. |
| 他在难以作出决定时往往踌躇不前。 |
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