weigh beam
- weigh beam的基本解釋
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[醫(yī)]秤桿
- 相關(guān)中文詞匯
- 秤桿
- 更多網(wǎng)絡(luò)例句與weigh beam相關(guān)的網(wǎng)絡(luò)例句 [注：此內(nèi)容來源于網(wǎng)絡(luò)男女www视频在线看网站，僅供參考]
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It absorbed the merits of different mechanical structures, applied the mechanic principles of folk waterwheel, barrel car, as well as shaduf, cam, and balance weigh beam, and thus was an automatic observatory, which had the multi function of observation, demonstration and time giving, and it gained or lost no more than one second per day. It was the ancestor of the mechanical clocks, since
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