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单词

jackscrew

读音
'dʒækskruː
美式 'dʒæk,skrʊ
英式 'dʒækskruː
词根

释义

["n. 螺旋起重机;起重螺旋;顶丝"]

例句

Ball nut, a fixed spherical nut driven by the jackscrew for flap and stabilizer movement.
球形螺母,由顶头螺钉驱动的固定球形螺母,用于翻板和稳定器运动。
At Pullman's signal each man turned his jackscrew the same amount at the same time, thereby raising the building slowly and evenly

强化记忆

所属分类

高中,其他

所在词典

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