1.
The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust.
四冲程循环发动机中，四个冲程的固定顺序是：进气、压缩、作功和排气。
2.
As engine rpm increases， there is less time for each step of the four-stroke cycle.
当引擎转速增加，四冲程循环每一步的时间变得越短。
3.
Characteristics of cyclical variation for four-stroke small utility gasoline engine
小型通用四冲程汽油机循环波动特性研究
4.
Application of CJF Series Strike Backcycling Engineering Driller
CJF系列冲击反循环工程钻机的应用
5.
5. Number of cycles (two or four);
按工作循环的选种数据分类（二行程或四行程）；
6.
The Development of CHF-20 Percussive-Rotary Reverse-circulation Drill;
CHF-20型冲击—回转反循环工程钻机的研制
7.
Experiment and Analysis Study on Percussion Device of CHF-20 Percussion and Rotary Reverse Circulation Drilling Rig;
CHF-20型冲击-回转反循环工程钻机冲击机构试验及分析研究
8.
install equipment to recycle water used for rinsing in Process A for reuse in Process B
安装循环装置，将过程A中的冲洗用水回用在过程B中。
9.
the rhythm of the tides, seasons
潮汐的涨落、 四季的循环
10.
The seasons of the year make a cycle.
一年四季构成一个循环。
11.
Subduction recycling process has a major effect on the dynamics and evolution of the crust and mantle.
俯冲再循环过程对地壳、幔的动力学和演化产生深刻影响。
12.
The Essential Conditions of Quasi-cyclic LDPC Codes without Girth 4
准循环LDPC码不存在四环的充要条件
13.
A new ICE working cycle with a partial isothermal compression stroke is advanced.
本文提出了一种新的内燃机理想循环——具有部分等温压缩冲程的内燃机工作过程。
14.
automatic process cycle controller
自动过程循环控制器
15.
four-stroke air-cooled gasoline engine
四冲程气冷式汽油引擎
16.
highly efficient 4-stroke low-speed diesel engine
高效四冲程低速柴油机
17.
single-shot operatio
单步操作 -单脉冲或单循环
18.
The Technique and Equipment of Quick-Speed Circulation Rinsing to Hydrulic Pressure Steel Piping;
液压钢管的快速循环冲洗技术及装置