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QC/T 671-2000 Compressed natural gas decompression regulator for automobiles
，谢谢
1. Introduction
Natural gas is one of the most widely used energy sources in the world. It is an important fuel for transportation because of its low emissions and higher efficiency compared to other sources. In order to use natural gas in vehicles, a compressor is needed to pressurize the......
1034 
Sophie
QC/T 691-2002 Specifications for Natural Gas Single Fuel Engines for Vehicles
，题目是《Technical Principles of Vehicle Engines Using Natural Gas》
Technical Principles of Vehicle Engines Using Natural Gas
Natural gas has been a popular choice for powering vehicles due to its environmental and cost benefits compared to traditional gasoline and diesel fuels. Natural gas is c......
QC/T 692-2002 Technical Specifications for Gasoline/Natural Gas Dual Fuel Engines
Introduction
The Chinese automobile industry is one of the largest and most important industries in the world today, and gasoline and natural gas two-fuel engines are an essential technology for the development of the industry. In order to ensure the steady development of this technology and to i......
QC/T 692—2002 Gasoline/compressed natural gas dual-purpose fuel engine technical conditions
，内容可以自行编，但是一定要符合这个话题。 Gasoline/Compressed Natural Gas Bifuel Engines Technical Specifications The development and research of utilizing technology to advance gasoline/compressed natural gas bifuel engines has been developed in order to create a more efficient, cost effective, an......
QC/T 694-2002 Diesel/compressed natural gas dual fuel engine specification
1 Introduction
In recent years, it has become increasingly important for many industries to make use of dual-fuel engines as a means of reducing their operation costs. Dual fuel engines are a hybrid system of two types of power sources, namely diesel and natural gas. In this system, one fuel acts......
Quality Problems and Solutions in Quenching and Cooling of Gears (Part Two)
educe the effect of the hardening brine.
Third, protect the gear from cold and hot stress. After quenching, the gear needs to be cooled under the cooling environment. Although the cooling environment is cold and hot, the gear is still easily deformed and damaged due to the stress caused by the te......
Quenching Press Technical Parameters
Introduction
Quenching and tempering bed is one of the most widely used technologies in heat treatment. It is a process of heat treatment by heating materials at specified temperature and placing them in an appropriate quench medium (gas, water, oil, etc.) to obtain certain structure, mechanical ......
Quality judgment of imported bearings
The quality evaluation of imported bearings
Introduction
The bearing is an indispensable part of machine manufacturing, and its quality directly affects the life and running performance of the machine. This article focuses on how to evaluate the quality of imported bearings, which is of great si......
Questions and Answers on Basic Knowledge of Welding--Basic Knowledge
1. What is welding?
Welding is the process of permanently joining two pieces of metal or other materials together by melting them and then pressing or hammering them together. It is a skill that requires dexterity, accuracy, and knowledge of safety precautions. Welding is used in a wide variety o......
Quenching oil fouling treatment technology and its application
Vacuum Heat Treatment and Its Application in Oil Contamination Treatment Technology
Abstract
The aim of this article is to discuss the vacuum heat treatment technology (VHT) and its application in oil contamination treatment technology. Through the analysis of the physical properties and charact......
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