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单词
bell collar
释义
bell collar
美
英
un.
钟形衬环
网络
衬管顶端
英汉
网络释义
un.
1.
钟形衬环
1.
衬管顶端
(3) 下钻於
衬管顶端
（
Bell Collar
）附近应缓慢通过。 (4) 钻锥失落后常无法一次捞出，而扭力常受井程影响不易判断，於资料不 …
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例句
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smoke-density
smoke density
smoke density analyzer
smoke density chamber
smoke density chamber test
smoke density chart
smoke density factor
smoke density indicator
smoke-density meter
smoke density meter
smoke density test
smoke deposit
smoke deposition
smoke detecting and fire controlling device
smoke detecting arrangement
smoke detecting cabinet
smoke-detecting cabinet
smoke detecting device
smoke detecting plant
smoke-detecting plant
smoke-detecting system
smoke detecting system
smoke detection
smoke detection appliance
smoke-detection appliance
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：2026/4/15 0:11:08