• <object id="ifwxx"><strong id="ifwxx"><xmp id="ifwxx"></xmp></strong></object>
    Diesel cryogenic fluid improver XY-1

    Ring-Type Metal Gaskets

    Ring-Type Metal Gaskets, depending on properties of different metals, are applied to maximum temperature of 600℃, of which oval and octonal types are up to the pressure of 70Mpa under non-self tightening conditions and 140Mpa under self tightening conditions. For lens gaskets, the maximum applying pressure is up to 300Mpa.

    欧美A一片,无遮挡十八禁在线视频真人,国内永久福利在线视频图片,