The operational principles and structural feature of double headed rotary shear have been introduced simply.
简要介绍了一种新式圆盘切边剪——双头回转式圆盘剪的工作原理和结构特点。
Like the double-headed eagle adopted by European emperors since Byzantine times, the EU now tries to act as one body with two heads.
欧盟如今想要采取一个体系两位首脑的做法，就好像欧洲君主自拜占庭时期开始用双头鹰作徽记一样。
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。
Double - headed arrows are used to indicate resonance.
双箭头用来表示共振。
Double - headed arrows are used to indicate resonance.
双箭头用来表示共振。
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