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单词
lead-in-air indicator
释义
lead-in-air indicator
lead-in-air indicator
[
′lēd‚in ¦er ′in·də‚kād·ər
]
(mining engineering)
An instrument that utilizes reagents to measure the concentration of lead in the air.
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sea acceptance test
sea acorn
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sea adder
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sea-air-land ocean, river, delta strategy
sea-air-land team
sea air rescue
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更新时间:2025/12/1 11:52:46