Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.
将聚四氟乙烯树脂在常温下用模压法成经高温烧结制成。
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Gray panels with ancient mouldings covered the walls from top to bottom; the ceiling showed all its beams, which were likewise painted gray, while the space between them had been washed over in white, now yellow with age.
带有古老线条的灰色面板从上到下覆盖着墙壁;天花板上所有的横梁都被漆成了灰色,而横梁之间的空隙则被刷成白色,随着时间的流逝现在变成了黄色。