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| 31. | Overhead travelling crane--Span series and lifting height series |
| GB/T790-1995电动桥式起重机跨度和起升高度系列 |
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| 32. | twin beam overhead bridge crane |
| 电动双梁桥式行车 |
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| 33. | overhead travelling crane with hoist |
| 电动葫芦桥式起重机 |
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| 34. | crane ,overhead traveling, on fixed support |
| 固定支座移动式高架起重机 |
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| 35. | overhead travelling crane with crab |
| 绞车式桥式起重机 |
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| 36. | Attached to the outside of the ladle are heavy trunnions by means of which it is lifted by an overhead |
| 铸桶外壁装有很重的耳轴，靠它可用天车把铸桶吊起来。 |
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| 37. | One difficulty in every building for heavy industry is the arrangement of the supports for an overhead |
| 重工业的所有厂房均存在一个困难问题，即如何布置桥式吊车的支承结构。 |
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| 38. | electric overhead travelling grab crane |
| 桥式电动抓斗起重机 |
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| 39. | overhead explosion-proof crane |
| 防爆桥式起重机 |
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| 40. | crane ,overhead traveling, not on fixed support |
| 高架起重机,无固定支座 |
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