外保护套管 meaning in English
outside protective case
Examples
- K - 006 series of blowing thermocouple are applicable to measure temperature in gas making furnace of chemical fertilizer which principle is a gas way come into being between sheathed thermocouple and outer protective tube
一概述wrk - 006系列吹气热电偶产品适用于测量化肥造气炉温度，原理是在铠装热电偶和外保护套管之间构成一定的气路，在