washer that prevents a nut from loosening

The double shell side heat exchanger for use in hydrogenated unit is divided into two kinds of flange type and thread lock ring type.

加氢装置用双壳程换热器分为法兰式和螺纹锁紧环式两种。

Replace by seating the assembly in the lamp housing and turning the lock ring 1/8 turn clockwise to secure.

更换组合，将组合定位于灯的外壳并顺时钟旋转锁桿1/8圈以固定。

An analysis was conducted of the common faults and their causes of the high pressure screw lock ring heat exchangers found in inspection and repair, and some solutions were proposed.

对螺纹锁紧环式换热器检修过程中常出现故障及原因进行了分析，并提出解决办法及建议。

The main and the auxiliary cases shift by lock ring synchronizer and the reverse speed shift by joint sleeve.

主变速器4个前进档和副变速器采用短行程锁环式同步器换档，倒档采用接合套换档。

The purpose of this paper is to analyses the structure, working principle and common troubles of twin cone lock ring synchronizer and to study the control methods and trouble shooting ways.

对汽车锁环式双锥面同步器的结构、工作原理、常见故障类型进行分析研究，找出发生故障的原因，然后提出解决和控制的方法。

Screw lock ring heat exchangers as main equipments are used in hydrogenation cracking plant which have many shortcomings.

传统的加氢裂化装置主要换热器采用的是螺纹锁紧环式换热器，存在许多缺点。

In addition, the retainer also ACTS the supplemental function of the radial force when the retainer supports the lock ring spring simultaneously.

另外，保持架在支承紧箍弹簧的同时还起到了径向力的补充作用。