Whenworking with a traditional surgical drill under the microscope thedrill tip will naturally perforate the surface through the innerflexible boney tissue interface of the cochlea with the inner membraneand protrude into the space.

當(dāng)在顯微鏡下使用傳統(tǒng)外科鉆頭手術(shù)時(shí)色色色8，通常容易穿破表面柔韌的骨組織和耳蝸交界面突出的內(nèi)耳膜影音先锋久久资源网AV资源站。

This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different.

分析了工件材料91人妻互换论坛九色、形狀不同時(shí)男女免费性爱视频，鉆尖頂角的大小對(duì)麻花鉆切削性能及壽命的影響，介紹了麻花鉆的鉆尖頂角的選擇日韩久久网A片。

As the diamond tip of the drill revolves, it is lubricated by mud.

在鉆機(jī)的金剛鉆頭旋轉(zhuǎn)的時(shí)候在线综合网，泥漿便進(jìn)行了潤(rùn)滑。

Leaves in opposite pairs, thin coriaceous, oblong, or phi needle-shaped, long 6-14 cm, the top length gradually sharp, pointed or slightly blunt wedge base, edges wavy or light wavy; petiole length 8-15 mm; stipule wide and triangular, was born in the Ministry of young vine at the top of drill-like long-tip , was born in the old vine, 3-6 mm long, the top regular convex tip.

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The so-called cutter location point, the flat end mill tool axis refers to the point of intersection with the bottom tool; for ball-end milling is the ball part of the core; for tools is the tip; the drill is the drill point; for wire electrode cutting machine, it means that the axis line of the electrode surface and the focus of parts.

所謂刀位點(diǎn)AV永久在线天堂免费资源网，對(duì)于平底立銑刀是指刀具軸線與刀具底面的交點(diǎn)欧美性爱第1页影音先锋；對(duì)于球頭銑刀是指球頭部分的球心黄色A片免费看；對(duì)于車刀是指刀尖；對(duì)于鉆頭是指鉆尖91草白白色视频在线观看；對(duì)于線電極切割機(jī)床50岁女人一级A片免费，則是指線電極軸心與零件面的焦點(diǎn)色一区。