hour-glass worm 细腰形蜗杆 ; 霍奇凯斯式传动装置
以上来源于: WordNet
He put one worm in a glass of water and another worm in a glass of whiskey.The worm in the water lived, while the one in the whiskey curled up and died.
他把一只虫子放在一杯水里，另外一只虫子放在威士忌酒里，结果水里的虫子活着，而在威士忌酒里的虫子蜷曲着死去了。
He put one worm in a glass of water and another worm in a glass of whiskey. The worm in the water lived, while the one in the whiskey curled up and died.
他把一只虫子放在一杯水里，另外一只虫子放在威士忌酒里，结果水里的虫子活着，而在威士忌酒里的虫子蜷曲着死去了。
The wiper motor is a permanent-magnet direct current (DC) one. It is equipped on the front windscreen glass with the mechanical parts of the worm gear.
它采用直流永磁电动机，安装在前档风玻璃上的雨刮器电动机一般与蜗轮蜗杆机械部分做成一体。
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