Nondestructive testing of boiler and pressure vessel inspection institution is an essential factor of quality system.

锅炉压力容器检验机构的无损检测是质量体系要素。

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Weld-shape(butt weld width, size of fillet weld)is an indicator of weld features and it also is an important factor of quality welding.

焊缝尺寸 （如对接焊缝的焊缝宽度、角焊缝的焊角尺寸等 ）是表示焊缝形状特征的指标 ，是影响焊缝质量的重要因素之一。

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"While cost remains a major factor in decisions about where to off-source, the quality of the labor pool is gaining importance, and this includes English language skills."

VOA: special.2011.01.21

We also factor in quality of life issues like crime rates, cultural and recreational opportunities and net migration patterns.

FORBES: The Best Places For Business

Intercultural education and the use of local languages along with bilingual education must also be recognized as an important factor in the quality of learning.

UNESCO: Education

That's the key factor in our ratings of earnings quality for 28 growth companies.

FORBES