... 一级中断 one-level interrupt; 一级主伐木 first-class standard; 一级铸件 primary quality casting; ...
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first-class standard meter 一级线纹米尺
first class standard 一级主伐木
first class discharge standard 一级排放标准
first class discharging standard 一级排放标准
reaching first class national standard 达到国家一级排放标准
This timber approximates first-class standard, but it still has some defects.
这种木材差不多是头等材，但它还有些缺陷。
The choice of intermediate check standard and the determination of check periodic to first-class standard Platinum and Rhodium 10-Platinum thermocouple are introduced in this paper.
介绍了一等标准铂铑10-铂热电偶核查标准的选取以及核查周期的确定，详细论述了一等标准铂铑10-铂热电偶期间核查的方法。
From the product sales, technical consultation, design process and after-sales service, with its professional and first-class standard, won the domestic numerous customers and welcome.
从产品销售，技术咨询，设计加工到售后服务，以其专业和一流的水准，赢得了国内众多用户的青睐和欢迎。
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