lpm什么意思？

abbr.
lines per millimetre 行/毫米

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lpm例句

The working principle of LPM movable high efficiency industrial lube oil purification unit is explained.LPM移动式高效工业润滑油净化装置的工作原理.The working principle of LPM movable efficiency industrial lube oil purification unit is expl...
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lpm怎么读？

lpm的音标：...
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