Daniel: What is a back-packer?
丹尼尔：什么是背包客？
什么是背包客？ ？
Foreign back-packer: Thank you very much.
外国背包客：非常感谢。
So cool. I want to be a back-packer when I grow up.
真的很酷。等我长大了我也要做一名背包客。
Foreign back-packer: I've finished up all my water.
外国背包客：我把水喝光了。
Foreign back-packer: I'm a back-packer from America.
外国背包客：我是一个来自美国的背包客。
A hydraulic setting anchor of type GY241, and a double packing ZY331 back washing packer features in self pack and rubber sleeve pack are developed.
研制了液压坐封gy241型锚定器和“自封与压缩胶筒”双重密封的ZY331型反洗封隔器。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
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