双梁应力腐蚀样品的制备和使用惯例 standard practice for making and using precracked double beam stress corrosion specimens
锌铸造合金彩色编码使用惯例 standard practice for the use of color codes for zinc casting alloy ingot
惯例 convention; usual practice; customary rule; customs and usages; routine 国际惯例 international practice; 操作惯例 working rule; 按照惯例 by customary rule; follow the practice of; 违背惯例 out of usual practice; 公认的惯例 a recognized practice; 打破惯例 break away from practices [customs]; 惯例法 code of practice; conventional law
国际惯例的法律地位与应用 application and action of international practices
直接应用表面抛光系统的惯例 standard practice for application of direct-applied exterior finish systems