dual-wall containment 双层安全壳
dual-wall 双壁
dual wall tube 双壁钻具
dual wall corrugated pipe 双壁波纹管
dual function shear wall 双功能剪力墙
Dual wall tube bending to protect inter-tubular spacing.
双重壁管弯曲，以保护跨管间距。
Besides, visitors would also be excited when seeing the magic pneumatic wall that combines sound, light and electricity with mechanics to show the dual prospect of Buddhist and vitality.
还有声光电与机械力学完美融合的魔幻气动墙，演绎禅韵与活力的双重意境，让参观者为之振奋。
The Hydrogen Fuel changeover system is a wall mount dual-input, auto-changeover, gas control and pressure regulation system.
氢燃料转换系统是一种壁挂式的和双输入的自动转换、燃气控制和压力调节系统。
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