An object is conveyed by the hollow bridge and the two roller conveyers, which is beneficial to reducing the manpower requirement.
借由空桥和两滚子输送机来输送物体，有助于减低人力需求。
As shown above, the left end of the truss bridge is pinned while the right end has a roller connection.
如上所示，桁架桥的左端为销轴连接，右端为滚子连接。
Go OVER the bridge. Walk past the big Tower Free - fall Ride and the roller coaster will be on your left.
沿着这条路走，然后向左拐。穿过桥，走过自由落体乘车塔，过山车就在你的左边。
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