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ppm.
释义
ppm.[医] 兆比率(百万分之几)
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counterbond
counterbonds
counter-bonification
counter bonification
counter-book
counter-bore
counterbore
counter bore
counterbore ball bearing
counterbore cutter
counterbore cutter head
counterbored
counterbored ball bearing
counterbored hole
counterbored outer ring
counterbored piston ring
counterbore drill
counterbore (drill)
counterbore for hexagon socket head bolt
counterbore guidance
counterbore guide
counterbore of nozzle
counter-borer
counterbores
counterbore with guide
ydwz
ydxf
ydxl
ydxs
ydxw
ydyb
ydyc
ydyd
ydyg
ydyj
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注文网英汉双解词典包含3566573条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。
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更新时间:2026/10/11 8:02:11