SJ型双向减震器是一种能同时减速缓或消除钻柱纵向和周向振动的双向减震工具。
The SJ type double way bumper is a kind of double-way shock absorbing tool which is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string.
对确定脉体有价值的指标是寸口脉管壁的厚度、管腔内径、管腔面积和血流量的大小以及寸口脉血流柱的长度、峰值流速血流、加速度和减速时间。
The thickness of blood vessels, inside diameter, area, flow, the length of color flow column, maximum velocity, acceleration and deceleration time were of good value on pulse tension.
主机电动机通过减速器带动主轴及各层转盘旋转，转盘通过柱销带动几十个环辊在磨环滚道内滚动并旋转。
The main bearing and each dial are driven by electromotor of main machine through reducer, and Numbers of roller which are rolling in the ring, which are driven by dial through plunger.
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