.I. GENERAL 概述. I.1 Scope of Engineering Specification, General Statement .总体说明，本规范适用范围I.2 Process Description .焊接过程描述I.3 Design Guidelines 设计准则.I.3.1Fastener Size Relative to Base Sheet Metal Thickness 紧固件对板材厚度的相对尺寸I.3.2Hole Size in Base Sheet Metal 板材上孔的尺寸I.3.3Fastener Strength 紧固件强度I.3.4Flatness of Base Sheet Metal 板材的平面度I.3.5Location of Fastener 紧固件的位置I.4 Applica
