请输入您要查询的字词:
单词
hydraulic expansion packer
释义
hydraulic expansion packer
Encyclopedia
工学
桥塞
释
hydraulic expansion packer
水力扩张式封隔器
通过使胶筒内部压力大于外部压力(即使油管压力大于套管压力)而扩张,封隔油、套管环形空间的封隔器。
随便看
repeating
repeating decimal
repeating nova
repeating of the last act of yesterday’s operatic performance
repeating relay
repeat strategy
repel
repellant
repellent
repeller
repeller electrode
repelling force
repelling point
repelling set
repellor
repercolation
repercussion
reperforator
reperfusion therapy
reperfusion time window
repertoire of contention
repertoire of Juye Dayao Opera Troupe
repertoire of Zhoutou Liyuanhui troupe of Jin County
Repertoires of the Qing Court’s Festivals, Ceremonies and Rituals
repetend
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:2026/6/19 23:12:05