Positive medium pressure increases, valve plate oblique cone surface and the valve seat sealing surface squeezed more tightly, sealing the better.

正向介質壓力增大時閥板斜圓錐表面與閥座密封面擠壓越緊，密封效果越好一级毛片在我的世界免费网站视频。

When used in the case of oblique incidence or large cone angle incidence, this filter reduces shift of central wavelength significantly while still maintaining its filter characteristics.

這種濾波器使用于斜入射光和大光錐角照明時亚洲中文久久无码精品91，不僅中心波長移動顯著減少黄色一级免费福利，而且特性仍能保持良好黄色网页在线欧美。

Positive medium pressure valve plate when the Plug Valves oblique cone surface and the valve seat sealing surface of the tight squeeze, the better the sealing effect.

正向介質壓力增大時閥板斜圓錐表面與閥座密封面擠壓越緊91看片婬黄大片涩爱，密封效果越好。

Based on the fact that the oblique section of a cylinder or cone is an ellipse, a fast scriber is fabricated which is simple in design, easy in making its parts, fast in assembling, and convenient in handling.

根據(jù)斜截正圓柱截面形狀為橢圓激情图片久久久，制作一種零件結構簡單国产91av天堂、加工容易、組裝快捷国产孕妇一级毛片久久、攜帶方便的快速劃線儀欧洲性爱精品图片。

Whipstock is put down in dense formation of Changlongshan group in Qingbaikou system, entering buried-hill formation by milling cone window sidetracking, oblique reducing, stabilizing and increasing of sidetracking. 152mm whipstock is chosen reasonably in construction cooperated with wireless inclinometer, which brings one-time seating and sealing success. Gabby cemented carbide is optimized as milling cone window sidetracking in 154mm XZ series of main cutting edge, which brings one-time success.

選擇在清白口系的長龍山組致密地層(2617m)下入斜向器，使用銑錐開窗側鉆www.akhm.黄片一级、側鉆降斜产精品久久、穩(wěn)斜、增料進入潛山地層午夜性生活影视，在施工中合理選用152mm斜向器在线免费一级AV电影，配合使用無線隨鉆測斜儀一次坐封成功，優(yōu)選碎硬質合金作為主切削刃的154mmXZ系列銑錐開窗側鉆一次成功www,欧美性爱。