Further imagine that this pipe is not made of metal but a transparent magnetic field.

接着再想象一下，这样的管道不是用金属做的，而是一个透明的磁场。

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There is a double-layer, hose , and transparent tube , pipe, pipe.

软管有单层、双层，并分透明管、圆管、扁管。

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Seamless steel pipe, senior experts have pointed out that iron ore import qualified awarded can be used to conduct open and transparent manner, such as auction.

资深无缝钢管专家指出，铁矿石进口资质的颁发可用公开透明的方式进行，比如竞拍。

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