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单词 valve
释义 valve
[valv]
ANATOMY
A flat of tissue, as in the veins or between the chambers in the heart, which permits movement of fluid in one direction only.
BOTANY
1. A segment of a dehiscing capsule or legume.
2. The lidlike portion of certain anthers.
ELECTRONICS
See <<electron tube>>
INVERTEBRATE ZOOLOGY
1. One of the distinct, articulated pieces composing the shell of certain animals, such as barnacles and brachiopods.
2. One of two shells encasing the body of a bivalve mollusk or a diatom.
MECHANICAL ENGINEERING
A device used to regulate the flow of fluids in piping systems and machinery.
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