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生产或供应气体、液体及电力用的计量仪表,包括它们的校准仪表。
Gas, liquid or electricity supply or production meters, including calibrating meters thereof.
youdao
-
生产或供应气体、液体及电力用的计量仪表,包括它们的校准仪表。
Gas, liquid or electricity supply or production meters, including calibrating meters thereof.
youdao