| 单词 | trough girder |
| 释义 | > as lemmastrough girder trough girder n. an iron girder shaped like a trough. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > working with iron or smithing > product of > specific lormery1419 iron horse1680 trough girder1883 1883 Specif. Alnwick & Cornhill Railway 48 The superstructure is to consist of two wrought-iron trough girders carrying the rails. < as lemmas |
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