双端的, 两端引出的

This double end pencil contains eyebrow color on one end and a screw brush applicator on the other end. 使用简单易行，可随心勾绘出自然眉型。

By means of revamping double end seals washing system, damage of mechamical seal was decreased and operation life of pump was increased. 通过对双端面机械密封冲洗系统改造,减少机械密封损坏,提高泵的运行周期。

An introduction is given about structure, specifications and features of double end wood flooring profilers and laminate flooringp rofilers. 介绍木地板加工机床双端铣、化木地板机的结构、能和特点。

By equipment modification, process selection and optimization, double end spinning was achieved on the present PET FDY spining line. And the economic benefit was obtained. 在现有涤纶全拉伸丝(FDY)纺丝设备上,通过设备改造、工艺选择和优化,成功实现了FDY双头纺生产,弥补了长丝产品结构的不足,为企业创造了经济效益。

This article introduces a new technology of the double end studs manufacture with line coldheading bolt production, submites a new concept to the double end flat die thread rolling. 介绍了利用现有的冷锹螺栓生产线生产双头螺栓的新工艺，提出了双头搓丝的新概念。