pinch·cock 
(pĭnchkŏk′)
(pĭnchkŏk′)n.
A clamp used to regulate or close a flexible tube, especially in laboratory apparatus.
| 单词 | pinchcock |
| 释义 | pinch·cock (pĭnchkŏk′)n. A clamp used to regulate or close a flexible tube, especially in laboratory apparatus. |
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