| 单词 | pin valve |
| 释义 | > as lemmaspin valve pin valve n. = needle valve n. at needle n. Compounds 2. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > needle needle valve1886 pin valve1903 1903 Electr. World & Engineer 18 July 115 The pressure is admitted to or withdrawn from the piston by means of a pin-valve. 1991 R. Cooke Paintball 14/2 The gun comes well supplied with flash suppressor,..pin valve and shoulder sling. < as lemmas |
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