一款非常实用的电阻衰减器，根据衰减比例的要求，选择合适的电阻。-A very practical resistance decay, according to the requirements of the attenuation proportion, choose appropriate resistance.

工业流量计算程序,包含一个铂热电阻分度表的 查询子程序,(Industrial flow calculation program, includes a platinum thermal resistance indexing table query subroutine,)