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单词 scale-beam
释义

> as lemmas

scale-beam
scale-beam n. (a) = beam n.1 6; (b) a weighing instrument of the steelyard kind.
ΘΚΠ
the world > relative properties > measurement > measurement by weighing > equipment for weighing > [noun] > a weighing apparatus > a balance > beam of a balance
balk1399
beam1420
weigh-balkc1485
scale-beam1723
balance-yard1810
balance-beam1813
1723 London Gaz. No. 6172/10 William White.., Scalebeam-maker.
1789 C. Clarke (title) A new Complete System of Weights and Measures,..with considerable Improvements on the Scale-Beam.
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 782/1 The scale beam was still further relieved by the fifth lever.
extracted from scalen.1
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更新时间:2024/9/21 12:39:31