请输入您要查询的字词:
单词
coal preparation
释义
coal preparation
Encyclopedia
理学
〔煤田普查勘探〕
释
coal preparation
选煤
利用煤与其他物质的不同物理、物理-化学性质,在选煤厂内用机械方法去除混在原煤中的杂质,把它分成不同质量、规格的产品的过程。
随便看
Open Archival Information System
open archival shelves
open archives initiative protocol for metadata harvesting
open area-test site
open ball
open base
open bibliographic data
open bite
open boundary condition
Open Brethren
open caisson foundation
open calibration field
open canal
open card sorting
opencast mining plan
opencast survey
open cavity
open cavity, open resonator
open cell
Open Center for Citizen Activities Square
open chain crater
open channel
open channel diversion
open channel flow
open channel flowmeter
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/21 19:09:32