它是扭矩相对较低的装置，仅在对有螺纹的工具接头进行初始上扣时有用。
It is a relatively low torque device, useful only for the initial makeup of threaded tool joints.
本发明提供一种双头卡扣，用于定位电子装置上的元件。
The invention provides a double-head buckle used for positioning an element on an electronic device.
唇膏盒带有照明装置，它至少包括以透明材料制作的盒体、扣合在盒体上的盒盖以及安装在盒体中的照明装置。
The lip color box is attached with a lighting device and has at least a box body made of transparent material, a box cap covered on the box body and a lighting device positioned in the box body.
应用推荐