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盾皮鱼
释义
盾皮鱼
盾皮鱼
[dùn pí yú]
1.
■
placodermi (古鱼磁, 繁盛于泥盆纪)
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pump suction pipe
pump-turbine
pump-type circulation system lubrication
pump-unit
pump valve
pump valve pressing spring
pump work
pun
puna
Punakha
punamustone
punarnavine
Punch
punch
punch adapter
punch advance
punch block mechanism
punchboard
punch boring
punch card file
punch-card machinery
punch card transcriber
punch check
punch connection
punch cutting machine
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更新时间:2026/4/14 1:33:49