| 单词 | plunger rod |
| 释义 | > as lemmasplunger rod plunger rod n. ΚΠ 1839 A. Ure Dict. Arts 187 There is also a rack and toothed sector, with a balance weight connected to the inclined plane at the top of the plunger-rods. 1928 Bot. Gaz. 86 466 In some pumps it will be necessary to put a washer on the plunger rod, just above the leather piston. 2002 Plastics News (Nexis) 11 Feb. 4 Materials include polycarbonate for the clear connector, polypropylene for the plunger rod and pharmaceutical-grade glass for the syringe. < as lemmas |
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