1.
Ignition timing devices. The contact points must be timed to close and open in proper relation to the piston positions in the cylinders.
点火正时装置:触点必须能够在活塞处于气缸中相关位置时,按时关闭和开启。
2.
Study on Transverse Vibration of Automotive Engine Timing Chain with Dampers
汽车发动机正时链带阻尼装置的横向振动分析
3.
a manually operated device to correct the operation of an automatic device.
纠正自动操作装置的手工操作装置。
4.
spur type planetary gearing
正齿式行星齿轮装置
5.
fitted or placed in its proper(esp upright) position
（安装或放置）正,（尤指）垂直
6.
sine-cosine resolver
正弦－余弦解算装置
7.
positive infinitely variable driving gear
正无级变速传动装置
8.
calibrating set for resistance attenuator
电阻衰减器校正装置
9.
an appliance that corrects dental irregularities.
矫正不规则牙齿的装置。
10.
The self-timer is sometimes very useful.
有时候定时装置很有用。
11.
It is recommended to make marks on the yolks and the cardan shafts so that you can assemble them correctly.
当安装万向传动装置时建议在万向节叉和传动轴上做明显的记号，以便能够正确地安装。
12.
An error occurred during the cluster configuration. The installation state of the Cluster Service is not correct for this operation.
在配置群集时出错。此操作的群集服务的安装状态不正确。
13.
To disengage the apparatus used in a connection and to restore it to its ready condition when not in use.
当不使用时,断开正连接使用的装置,并使它恢复到准备状态。同release。
14.
The Study of Novel Static Var Compensator Device;
新型无功补偿装置—正弦时变耦合变压器的原理性研究
15.
We' re installing a new heating system.
我们正在安装新的取暖装置。
16.
Care is needed during installation to provide free access to enable the valve to be fully operated, regulated and set in the required position.
安装时必须要小心谨慎，要留下足够的空间，使得阀门能够正常操作、调节并设置在所需的位置。
17.
casing oil saver
套管顶部临时出油装置
18.
vacuum-operated spark control
真空控制点火定时装置