two-diameter piston

The operation performance of a spark ignition natural gas engine with two cylinders, including dynamometer card in cylinders, intake pressure liquid, air fuel ratio, temperature field of cylinder head and piston, and emission, is tested.

对一台火花点火式两缸天然气发动机进行了缸内示功图、进气压力波、空燃比、缸盖及活塞温度场和排放等项目的测试。

Two coils move a piston back and forth magnetically at a constant force.

两组线圈在一个连续电磁力的作用下来回移动一个微型活塞。

In the aspect of experiment study, the vacuum in the working chamber of piston pump is compared by two different experiment devices of non-slippage pump and slippage pump.

在实验方面，采用了不带补油泵和带补油泵两套实验装置来对比测试柱塞泵工作容腔的真空度大小。

The utility model provides a multi-layer slide vane compressor with a rolling piston, wherein the multi-layer slide vane is composed of a two-layer, a three-layer or a multi-layer slide vane.

本实用新型提供一种滚动活塞多层滑片式压缩机，多层滑片由二层、三层或多层滑片所组成。

Ion Nitridation and Technology Optimization for 240 Two-pieces Piston Top

240组合活塞钢顶氮化及工艺优化