聘请地下水管道工程师组织就所有地下放射性管道进行超声波地下管完整性评估。
Hired underground piping engineering firm to perform ultrasonic underground piping integrity evaluations of all underground radioactive piping.
聘请地下水管道工程师组织就所有地下放射性管道进行超声波地下管完整性评估。
Hired underground piping engineering firm to perform ultrasonic underground piping integrity evaluations of all underground radioactive piping.
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