The self-flexing frame assures stability and cushion over rugged terrain, and the internal hydro-drive pedalling system is a closed system that ensures no loss of power up climbs or singletrack.
自我伸展帧保证稳定和垫层较崎岖，以及内部液压传动踏蹬系统是一个封闭的系统，以确保无功率损耗爬起来或。
Some suggestions were given to design and construction of hydro-expansive rubber sealing cushion in the shield tunnel.
同时，为盾构隧道衬砌接缝遇水膨胀橡胶密封垫防水的设计、施工提出几点建议。
Some suggestions were given to design and construction of hydro-expansive rubber sealing cushion in the shield tun…
同时，为盾构隧道衬砌接缝遇水膨胀橡胶密封垫防水的设计、施工提出几点建议。
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