| 单词 | plug-rod |
| 释义 | > as lemmasplug-rod ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > devices for opening or closing scoggan1719 plug-frame1734 spanner1773 plug-tree1782 plug-rod1794 throttle lever1839 1794 Alter et Idem No. 1. 21 Which plug and floats would be kept in their places by means of fixed irons..with rings at their ends for the plug-rods to run through. 1875 E. H. Knight Pract. Dict. Mech. Plug-rod, (Steam-engine) a. A rod attached to the working~beam of a condensing-engine, for the purpose of driving the working-gear of the valves. Sometimes called the plug~tree. b. The air-pump rod. 1878 R. H. Thurston Hist. Steam-engine 121 A similar pair of tappets on the opposite side of the plug-rod move the valves. < as lemmas |
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