Control of leakage in piping LPG supply is expounded. The good engineering quality is the essential condition, and strict management is the fundamental pledge for leakage control.

阐述了管道液化石油气供应泄漏的控制。指出良好的工程质量是控制泄漏的必要条件，严格的管理是控制泄漏的根本保证。

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The extension of conception is ambiguous that the quality of engineering rock body is good or bad, it contains many fuzzy phenomena, this is what fuzzy math to study.

工程岩体质量的好与坏，其概念的外延是不明确的，存在着很多模糊性现象，这正是模糊数学所要研究的。

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Abstract: highway bridge is an important part of highway engineering, the influence of good quality to the whole of the highway traffic flow smoothly.

摘要：公路桥梁是公路工程的重要组成部分，其质量好坏影响到整条公路通行的顺畅。

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Technologies that let an IP-based telecommunications provider offer IP telephony services commensurate in quality to the traditional switched circuit providers, or at least as good a quality as cell phone providers can offer, are now getting close to being finalized by the Internet Engineering Task Force.

CNN: IP telephony is the "in" thing these days, but should it be?