标准摘要
[中文适用范围]： 详细说明构成类型名称的组件。定义频率范围并指定机械要求，包括内部和外部尺寸、壁厚、偏心度、横截面矩形度、弓形、扭曲度和内部结构 [外文原描述]： Contains a detailed description of square waveguides - Type Q, including mechanical requirements, electrical tests and a table drawn up in inches and millimeters.
英文名称Hollow metallic waveguides - Part 7: Relevant specifications for square waveguides