| 单词 | coupling-chain |
| 释义 | > as lemmascoupling-chain coupling-chain n. the chain which couples railway carriages, trucks, etc. ΘΚΠ society > travel > rail travel > rolling stock > [noun] > railway wagon or carriage > coupling coupling-chain1838 coupling1840 1838 N. Wood Pract. Treat. Rail-roads (ed. 3) 220 The coupling or dragging chains are fixed to these [springs]. 1858 Mechanics' Mag. 69 281 It is well known how severely coupling chains suffer from..sudden jerks. < as lemmas |
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