自然, 无油压缩机必然被选择为仪用空气供给者.Oil - free compressors of course, are the logical choice for instrument - air supplies.你有为服务供给者实际的和程序的安全写标准 吗 ?Do you have written standards for service providers'physical and procedural secur...
The removal of the chromatic aberration is then of primary importance.这时消除色差具有头等重要性.The resultant defect is known as chromatic aberration.由此而产生的缺陷叫做色差.The absolute values of the coefficients of any chromatic polynomial f...
此物质的料子大多是偏斜的.Most of its particles are deflected.这文章分析了天井钻进偏斜的原因。The paper analyzed the cause of the declination in a raise boring.本文分析了引起大黄山矿一号副井井筒偏斜的地质采矿原因.Inclination of the mine's auxiliary shaft may be attribut...