Basic metal products 初级金属制品
Basic Metal Processing Practice 基本金属加工实习
basic metal industries 基本金属工业
basic metal metallurgy [冶] 碱金属冶金
Basic metal industries associations 初级金属工业协会
high basic metal 高碱金属
basic metal elements 碱性金属元素
industrial basic metal forward 工业基础金属期货
industrial basic metal futures 工业基础金属期货
The lead is a important basic metal.
铅是一种重要的基本金属。
This course is an introduction to basic metal-cutting principles and their practical applications.
本课程介绍基本的金属切削原理及其实务应用。
It is located in a valley sedimentary belt in the Sumater gold silver basic metal mineralization zone.
它位于苏门答腊金银溅金属成矿带的宽坦河流域的准平原化河谷堆积地带。
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