size of pipe

• 管径

size of pipe的用法和样例：

例句

1. The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
   文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
2. Length of thermowell should be decided by size of pipe and their mounting positions, details of which are shown in the relevant data sheet.
   双金属温度计保护套管的长度应根据相应的数据表中提供的安装位置处的管径确定。