dye tracer test 中文意思是什麼
dye tracer test
解釋
染色示蹤劑試驗-
The investigation team led by secretary for environment, transport and works, dr sarah liao, did not find any leakage in the pipes when a tracer dye was used to test the soil stack
由環境運輸及工務局局長廖秀冬率領的調查隊曾用示蹤感染測試污水管,當時並未發現污水管有任何裂縫。
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