... suspender belt 吊袜腰带 expansion suspender 伸缩悬杆 cable suspender 电缆悬挂钩,电缆挂钩...
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expansion space suspender 伸胀悬杆
expansion n suspender 伸缩悬杆
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A horizontal smoke pipe adopts a spring suspender and a central roller support, and the friction resistance generated by the thermal expansion the pipe when moving is reduced.
水平烟管采用弹簧吊、中心滚动支座，可减少管道热膨胀移动时的摩擦阻力；
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