“valvula”的概念、定义、翻译、参考文献-科学参考

单词	valvula
释义	valvula [`val·vyǝ·lǝ] ^BIOLOGY A small valve. ^{INVERTEBRATE ZOOLOGY} One of the small processes forming a sheath for the ovipositor in certain insects.
随便看	piston gage piston head piston meter pistonphone piston pin piston pump piston ring piston rod piston skirt piston speed piston-type area meter piston valve piston viscometer pit pitch pitch acceleration pitch attitude pitch axis pitchblende pitch circle pitch coal pitch coke pitch cone pitch cylinder pitch diameter

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