请输入您要查询的字词:
单词
dry vacuum pump
释义
dry vacuum pump
Encyclopedia
工学
真空泵
释
dry vacuum pump
干式真空泵
能在105(大气压)~10-2帕的压力范围内工作,在泵腔内不使用任何液体,排气口与大气相通,能直接向大气排气的泵。又称无油真空泵。
随便看
Battle of Marathon
Battle of Marston Moor
Battle of Maysalun
Battle of Milvian Bridge
Battle of Monte de las Cruces
Battle of Moscow
Battle of Nanjing
Battle of Naseby
Battle of New Orleans
Battle of Nicopolis
Battle of Nineveh
battle of Ningyuan
Battle of Northern Burma and Western Yunnan
Battle of Palo Alto
Battle of Plattsbourgh
Battle of Pochonbo
Battle of Poitiers
Battle of Qian Mu
Battle of Saratoga
Battle of Sarhu
Battle of Shanggao
Battle of Shanhai Pass
Battle of Songshan-Jinzhou
Battle of Stalingrad
Battle of Sterimon
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:2026/3/1 3:23:02