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单词
positive pressure respirator
释义
positive pressure respirator
网络
正压式呼吸器;正压之空气滤清器
网络释义
1.
正压式呼吸器
常压单词及句型汇总... ... adjustable spanner 活动扳手 63
positive pressure respirator
正压式呼吸器
21 pipe wrench 管钳 64 ...
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2.
正压之空气滤清器
– 具
正压之空气滤清器
(
positive pressure respirator
),当有害物质未知或可能造成吸入 性伤害时,level B gear 能提供最低等级 …
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例句
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gas membrane
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gas metabolism
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gas metal-arc process
gas metal arc welding
gas metal arc welding
gas metal-arc welding
gas metal arc welding-pulsed arc
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更新时间:2026/8/23 21:55:23