first-grade pilot的意思|示意
美 / /
英 / /
一级飞行员
first-grade pilot的网络常见释义
一级飞行员 ... 关务员[初]customs clerk 一级飞行员[高]first-grade pilot 二级飞行员[中]second-grade pilot ...
first-grade pilot相关例句
The yield of oxalic acid is over 90% in pilot tests and the product quality meets GB-1626-88 standard for the first-grade product.
中试工业化实验中草酸的提取率达90%以上，所得到的草酸的质量达到GB1626—88标准的一级品要求。