逼逼粉嫩的大学生被内射,亚洲丫丫久久久私人影院,国产激情无码高清,动漫,嗯嗯啊想被大鸡巴的视频

Welcome to visit website of Tianjin Baolixin Superhard Material Co ltd.Professional person to do professional thing, sincere heart to offer you the best service and the best products!

 

        The diameter of our CVD diamond wafer can measure up to 70mm,the thickness canbe 0.3mm – 2.5mm. The CVD diamond wafers also can be cut into different geometrical shapes, and according to the customers' requirment we can do the polish work to achieve mirror-like finishes on single side or double sides.

        The performance parameters of CVD diamond we manufacture being close to the natural diamond Ⅱa.

         

        Hardness
        Tensile strength
        Compressive strength
        Friction factor
        8000~10000Kg/mm2
        272 Kg/mm2
        9.8×1013 Kg/mm2
        0.05~1
        Young’s modulus
        Poisson’s ratio
        Density
        Thermal shock factor 
        1.05GPa
        0.22
        3.51g/cm3
        107W/m
        Coefficient of thermal conductivity
        Thermal expansion coefficient
        Resistivity
        Relative permittivity
        8~20W/(cm·K)
        2.3×10-6/℃
        ~106Ω·m
        5.7
        Electron mobility
        Hole mobility
        Electron drift velocity
         bandgap engergy
        2200cm2/V·S
        1800 cm2/V·S
        2.5×107cm/s
        5.45ev

         

        • CVD DIAMOND DRESSING BLANKS

        • CVD DIAMOND FOR CUTTING TOOLS

        • APPLICATION IN GEOLOGICAL BROACH

        • CVD DIMOND HEAT SINK FILMS

        • CVD DIMOND FOR OPTICAL WINDOWS(CVDW)

        • WIRE DRAWING DIE BLANKS

        淫淫淫淫淫淫男人的天堂| 97影院五月恋恋色呦呦| a久久精品国产精品亚洲| 久久久久一区二区三区熟女| 性感美女啪啪啪一区二区| 中文字幕不卡顿一区二区| 国产精品视频在线观看| 国产精品18久久久久久ⅹ| 精品一区二区三区在线视| 久久久久久久艹精品视频| 国产精品美女avvvvv| 国产福利在线观看你懂的| 国产精品第10页精品国产| 用鸡捅女生的屁股的网站| 国产免费的黄色一级网站| 老光棍手机影院一区二区| 黄金网站app在线观看| 超碰97国产人人干人人| 久久―日本道色综合久久| 美女日BB免费视频播放| 抽插大胸 羞羞视频网站| 成人性生交大片在线视频| 91式老师啪在线国自产| 欧美一区二区三区xxx| 天天爽夜夜爽夜夜爽毛片| 国内精品亚洲| 精品一区高潮喷吹在线播放| 妃光莉中文字幕一区二区| 亚洲图区综合网| 被黑人中出美女在线观看| 操黑森林逼视频| 日韩精品电影在线一区二区| 曰曰摸天天摸人人看综合| 娇小搡bbbb搡bbbb| 非洲国产美女老人太BB| 久久69精品久久久久免| 被cao的奶水直喷高H| 男人狂躁进女人下面视频| 白丝自慰在线看| 亚洲欧美日韩乱清纯丝袜| 国产精品人妻一区夜夜爱|