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单词
no echo area
释义
no echo area
美
英
un.
无回声区
英汉
网络释义
un.
1.
无回声区
1.
无回声区
专业词汇在线翻译、医学专业在线词典... ... 不变 no change
无回声区
no echo area
无检测性效果水平 no observable effect lev…
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downhole hanger
down hole heat exchanger technology
downhole instrument
downhole method
down-hole mixing
downhole motor
downhole motor drilling
downhole operation
downhole packer
downhole performance
downhole pressure gauge
downhole probe
downhole pulser
down-hole pump
downhole recorder
downhole rock drill
downhole sampler
downhole sensor
downhole shut-in
downhole source
downhole steam generator
downhole telemetry system
downhole teleview logging apparatus
downhole tool
down hole treatment
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/5/7 19:04:41