过期标头最常与图像，一起使用，但他们应可以用于包括脚本、样式表和闪速组件的所有组件。
Expires headers are most often used with images, but they should be used on all components including scripts, stylesheets, and Flash components.
应该为数据表标识行标头和列标头。
当卵形，矩形的冲头及入子异国在标准的位置时，球锁的位置及扁平键应该标在料表清单上。
The position of the ball seat and key flats must be noted on stock list when not in standard position on oblong and rectangular punches and buttons.
应用推荐