A cylinder (Fig. 1) is a hollow tube with a closed concave base that permits the cylinder to stand upright.
钢瓶(图1)是中空的管道，封闭的底部是凹入的，这样可以直立起来。
2
The principle, functions, hardware and software structures and characteristics of the microcomputer test system in single cylinder diesel engine test stand were stated.
文章阐述了单缸柴油机试验台微机测试系统的测试原理和功能、系统的硬件和软件结构以及测试系统的特性。
3
This cylinder ejects a stand to the operator side, so that it will be put on a common switching car.