利用挤压铸造技术生产高铝锌基合金直齿圆锥齿轮，齿面精度能够得到保证。
The high al, Zn base alloy conical gear with straight tooth in squeezing casting can ensure an accuracy of tooth face.
文章对齿瓣石斛的最适萌发胚龄，最佳萌芽、增殖培养基，不同激素、天然提取物对胚培养的影响进行了研究。
The paper studies the most favorable embryo age for germination, optimum culture medium, impacts of different hormones and natural extractant on embryo breeding of Dendrobium devonianum.
采用等离子束表面冶金技术，在采煤机截齿磨损严重的部位制备了与基材呈冶金结合的铁基复合涂层。
The Fe-based composite coatings were deposited on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between the coating and the substrate.
芳基柔性二齿配体的配位构型多变，使得其金属配合物的结构丰富多彩。
Self assembly of aryl group containing flexible bidentate ligands with metal ions gives rise to many types of novel structures because of their variable coordination modes.
齿轮高频噪声产生的主要原因是齿形误差和基节偏差；低频噪声产生的主要原因是齿距积累误差。
High frequency noise of gears is mainly from tooth error and base pitch, and low frequency noise from accumulated errors of tooth spacing.
分别分析了基蜗杆半径、插齿刀模数、齿数、压力角对基蜗杆曲面奇异点位置的影响。
The influence of the base worm radius, the module of shaper, the teeth number and the pressure Angle on the singularity point were analyzed, respectively.
安装在衬套或轴上的齿轮的旋转带动其它齿轮转动，并根据基轮的齿数加快或放慢速度。
The rotation of this gear on a hub or shaft drives other gears, which may rotate faster or slower, depending upon the number of teeth on the basic wheels.
基层处理干净后，将砂浆涂抹于基面，再用侧面带齿抹子将砂浆揉成条沟状后，即可粘贴饰面瓷砖，粘贴厚度为2 - 3 mm。
Clean substrate, apply the mortar on substrate, rub the mortar strip-shaped with a side-tooth trowel, and then can stick ceramic tiles. the thickness is about 2-3mm.
用于检查直齿及斜齿的外齿合圆柱齿轮的基节偏差，并使用高精度的测微表指示。
This tester is suitable to measuring the bapitch deviation of straight and helical circular gear, the accuracy value has been indicated.
用于检查直齿及斜齿的外齿合圆柱齿轮的基节偏差，并使用高精度的测微表指示。
This tester is suitable to measuring the bapitch deviation of straight and helical circular gear, the accuracy value has been indicated.
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