| 单词 | plunger bucket |
| 释义 | > as lemmasplunger bucket plunger bucket n. (a) a valveless bucket in a plunger pump; (b) = plunger piston n. (b). ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1751/2 Plunger-bucket, one without a valve. 1890 Cent. Dict. Plunger-bucket, same as plunger-piston. 1893 Marion (Ohio) Daily Star 22 Mar. I kin make a little plunger bucket outer de skin. 1911 C. J. Lynde Home Waterwks. vii. 93 It prevents jars on the plunger bucket and rod. < as lemmas |
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