超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
半导体分立元件测试
Integrate circuit testing
测温测速
Temperature and velosity on-line measuring
超高温测温锥
Super high temperature pyrometric cone
初级探测元件
primary detecting element
电子材料与元件测试技术
measuring technology of electronic material and
电子材料元件测量
electronic material and element measurement
浸没探测元件
immersed detector element
离散元件测试系统
discrete component test system