府绸封面材料比平纹布效果好，档次高。
密封面材料：结构陶瓷或超硬表面合金材料二种。
Seal the surface material: Structure pottery or exceeding two kinds alloy materials of hard surface.
哈佛大学科学家已经证实，该校图书馆一本19世纪图书的封面材料取自人类皮肤。
Scientists sat Harvard have confirmed a 19th century book in one of the university's libraries is bound in human skin.
本册记事本分为多种，封面材料常用有真皮、仿皮pu、皮革、PP、布料及金属等多种。
This notebook is divided into a variety of, cover materials commonly used with leather, imitation leather, PU, leather, PP, cloth and metal, etc.
紧密可靠，目前球阀的密封面材料广泛使用塑料，密封性好，在真空系统中也已广泛使用。
3 close and reliable, the current valve sealing surface material widely used plastic, good sealing, in the vacuum system has also been widely used.
J 41 n型PN 40钢制截止阀：手动、法兰连接、直通式、阀座密封面材料为尼龙塑料、公称压力pn 40、阀体材料为碳素钢的截止阀。
J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.
它集封面艺术、字体艺术、版面艺术、插图艺术、材料艺术和印刷装订艺术为一体。
It is made up of the art of cover, art of styles, art of layout, art of illustration, art of material, and art of printing and binding.
隔音材料：隔音材料采用黑色隔音棉也可选用黄色隔音棉。为了提高隔音效果，在隔音室内表面用有小孔板封面。
You can choose using black or yellow soundproof cotton as material. More Further, in order to improve soundproof efficiency, indoor surface is boarded with tiny holes.
隔音材料采用黑色隔音棉也可选用黄色隔音棉。为了提高隔音效果，在隔音室内表面用有小孔板封面。
You can choose using black or yellow soundproof cotton as material. More Further, in order to improve soundproof efficiency, indoor surface is boarded with tiny holes.
设计的阀门采用了金属-金属的平面硬密封结构，在流道附近采用耐磨损的材料，提高阀门密封面的磨损寿命。
The new designed valve has metal-metal plane hard airproof structure, using durably grinding material near the flowing road to improve the airproof surface usage life-span.
本发明图像保留卡片包括基片结构物、封面和置于基片结构物和封面之间的图像接受材料。
An image retaining card in accordance with the present invention comprises a substrate structure, a cover, and an image receptive material disposed between the substrate structure and the cover.
阀板与阀座的密封面为斜圆锥结构，在阀板斜圆锥表面堆焊耐温、耐蚀合金材料；
Valve seat plate and the sealing surface for the oblique cone structure, in the oblique conical surface of valve plate welding temperature, corrosion resistant alloy material;
目前核阀密封面堆焊材料一般均为含钴合金。
The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
目前核阀密封面堆焊材料一般均为含钴合金。
The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
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