对于料位开关，检测器的支架总是高于放射源铅灌的支架。

For level switch, the bracket of the detector is always higher than the bracket of the shielding.

youdao

对于料位开关，检测器的支架总是高于放射源铅灌的支架。

For level switch, the bracket of the detector is always higher than the bracket of the shielding.

youdao