This paper states the factors that can affect medial density fiber-board warp distortion and puts forward relevant countermeasures.
本文论述了影响中密度纤维板翘曲变形的因素，并提出了相关的应对措施。
Rock wool board can also be moisture-proof foil surface sticky, black (white) glass fiber mat reinforced fiberglass cloth folder, and moisture and other decorative veneer.
亦可在岩棉板表层粘防潮铝箔、黑(白)玻纤布夹筋玻纤毡等装饰及防潮贴面。
According to different mediums the impeller may confront, it can be made of different materials such as ABS (engineering plastics), FRP (glass fiber reinforced plastic) or aluminum alloy board.
叶轮可根据不同的工作介质选用不同的材质，如abs(工程塑料)、FRP(玻璃钢)和铝合金板材。
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