basic size meaning in English
公称直径
基本尺寸（基本大些
基本尺寸，理想尺寸
基准尺寸
Examples
- 32mm basic size system of side hung steel window 32mm solid section
平开钢窗基本尺寸系列 - Belt conveyor frame for coal mining . form and basic size
煤矿用带式输送机机架.型式与基本尺寸 - 32 40mm basic size system of side hung steel door 32 , 40mm solid section
平开钢门基本尺寸系列 - Water system . 45 degree saw - tooth thread . tooth pattern and basic size
水系统. 45锯齿形螺纹.牙型与基本尺寸 - Sensitive switches , single break contacts , basic size , detail specification for
基本尺寸单开路触点的灵敏开关的详细规范