The vertical temperature stratification in Accretion Disc atmosphere

吸积 盘 的 轴向温度分层

The vertical grinding machine is a high precision machine tool which is mainly used of ring-shaped and disc type parts .

立式圆台磨床是一种高精密机床，主要用来加工大中型环 盘类工件。

Vertical plate planter This disc can be revolved .

垂直排种盘式播种机这种 盘 状 物可旋转。

Vertical ceramic disc mill

立式陶瓷 圆盘粉碎机

Test results show that the first heat source of vertical ultrasonic vibration honing device is the flexural vibration disc and the second heat source is the ultrasonic amplitude transformer .

结果表明， 立式超声珩磨装置的主要热源是弯曲振动 圆盘，其次是变幅杆输出端的发热。

Checkrow clutch Design and Discussion on Seed Discharger with Inside Feeding Seed Vertical Disc of Fine Seeder

精播机内侧充种 垂直 圆盘排种器的设计探讨

By using the theoretical study results the modification of the developed vertical disc brush wheel type seeding apparatus was curried up and the results were proved well .

应用理论研究成果对研制的 垂直 圆盘刷种轮式排种器的参数进行了改进，收到了较好效果。

The swing check valve can also be mounted to the vertical position provided the disc should not reach the valve position .

旋转式止回阀也可以安装在 垂直位置，此时 阀 瓣应该无法达到阀门的位置。

At present the vertical bearing capacity of the disc pile has been increasingly recognized by people and much research about it has been done in the world .

目前，支 盘桩的的 竖向承载力已逐渐被人们认可，国内外对此的研究也比较多，而支盘桩的水平承载力研究依然处于相对落后的状态。

The Selection of the Key Parameters of Maize Straw Cutting Machine with Dual Vertical Shafts and Disc Knives

双 立轴式 圆盘刀玉米秸秆切碎器参数的选择

The general differential equations of vertical vibration of disc cutter suitable for breaking hard rock soft rock and soil were respectively established by adopting displacement constraint and force constraint as the lower boundary condition .

本文分别采用位移约束及力约束作为滚刀的下端边界条件，建立了适用于滚刀滚压硬、软岩和土壤的一般 垂直振动微分方程，并对实验用 滚刀进行了算例分析。

The authors have developed a vertical lumbar traction apparatus and treated 180 patients with prolapse of lumbar intervertebral disc with the apparatus . The effective rate is 83.3 % and the ineffective rate is 16.7 % .

笔者应用自行研制的 立式腰椎牵引治疗机，对180例以腰椎 间 盘突出症为主的腰部疾患患者进行牵引治疗，有效率达83.3%，无效率为16.7%。