| 单词 | pump lug |
| 释义 | > as lemmaspump lug pump lug n. Obsolete rare a mechanism for converting the motion of the pistons of a steam engine into motion that operates a pump. ΚΠ 1875 M. N. Forney Catechism of Locomotive 177 The pump-plunger is attached to a projection..called the pump lug, cast on one of the slides of the cross-head. 1890 Cent. Dict. Pump-lug, a lug cast upon the cross-head of a locomotive, to which the pump-plunger is attached, and which imparts a reciprocating motion to the plunger. < as lemmas |
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