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单词
a vein of coal
释义
a vein of coal
网络
煤层
网络释义
1.
煤层
vein是什么意思_vein的中文解释_用法_同义词... ...
a vein of coal
煤层
be in the vein for 有心情…,想… ...
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例句
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direct acting pump
direct-acting reciprocating pump
direct-acting recording instrument
direct-acting recording instrum-ent
direct acting recording instrument
direct acting regulator
direct-acting regulator
direct acting shock absorber
direct-acting shock absorber
direct-acting steam engine
direct acting steam engine
direct acting steam pump
direct-acting steam pump
direct-acting transducer
direct acting type recording ammeter
direct acting type recording voltmeter
direct acting type recording wattmeter
direct acting type regulator
direct-acting valve
direct acting valve
direct-acting voltage regulator
direct action
direct action
direct-action accelerometer
direct action circuit
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：2025/10/1 13:24:00