... 平行轮轴钳工台虎钳：parallel swivel bench vice 平行楼梯：parallel stair 平行钢丝束：parallel wire unit ...
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parallel l stair 平行楼梯
Elegant lines have also become a leitmotif of the design of numerous parallel stair railings, connecting the arena's entrance hall with the ground level.
优雅的线条设计也成为许多并行的楼梯栏杆的主题，连接到运动场的入口大厅与和地面。
In a design of reconstructing a stair into an escalator, the headroom of the escalator should be thought over when the escalator is decided to be disposed in cross or parallel.
在对某楼梯改造为自动扶梯的工程设计中，在考虑选用交叉布置还是平行布置时，应满足扶梯净空等使用要求。
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