| 1. | Precast concrete requires careful attention to the joinery between precast elements .
对于预制混凝土结构物，需要十分注意预制构件间的连接。 |
| 2. | The box girders were to be precast units, bonded together in place at the joints with an epoxy resin .
箱梁采用预制构件，在现场连接处涂以环氧树脂，以粘结成为整体。 |
| 3. | The rain drummed against the tin roof of the prefabricated laboratory at great baddow in essex, where i was working as a navy scientist attached to the marconi company .
雨点落在埃塞克斯郡大巴多的、用预制构件盖成的实验室的铁皮屋顶上，发出咚咚的响声。当时我做为一名海军科学家，配属于马克尼公司，正在那个实验室工作。 |
| 4. | Precast pier - head segment erection with lifting frame
用吊架安装桥墩柱顶预制构件 |
| 5. | Pier segment erection with 250 ton crane bridge
250吨起重吊船-桥墩顶部预制构件安装 |
| 6. | General view to concrete segmental bridge
混凝土预制构件桥之概况 |
| 7. | Precast segment erection with lifting frames
用吊架安装预制构件 |
| 8. | Un - loading precast segment from barge with segment lifting frame
用吊架把预制构件由趸船吊上临时桥 |
| 9. | Cable stayed bridge - steel segment erection approach viaduct - deep water region
深水区-高架桥-把预制构件吊上桥面 |
| 10. | One hundred prefabricated basic health care units are under construction in the affected areas
在灾区正在用预制构件建造100个基本卫生保健所。 |
