頂重杠桿 的英文怎麼說
中文拼音 [dǐngzhònggānggǎn]
頂重杠桿
英文
jack level-
A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press
千斤頂,起重機通過杠桿、螺絲釘或水的壓力把重物提起的便攜式裝置
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