单独切割的薄板堆叠在一起，通过几个杆件连接在一起，这些杆件通过一个共同的核心穿透薄板。
The individually cut sheets are stacked and held together by poles that run through a common core.
加长件包括手轮，暗杆，连接件和加长件，允许在上方进行远程操作。
The extension includes handwheel, non-rising stem, fittings and extensions to allow remote operation normally from above.
实测资料表明，上下行并行的钢板梁桥在采用“两桥连接”加固以后，平联杆件的弯曲变形和断裂现象急剧增多。
Measured results indicate that the bend deformation and abruption phenomenon appears very quickly when the "two-bridge-junction" method is adopted in the parallel steel plate beam.
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