字典網>> 英漢字典>> D開頭詞條>>double pole switch的意思 漢英字典double pole switch中文翻譯：【電】 雙極開關 相關詞條：double underline double diffusion double-stranded DNA double focusing mass spectrometer double-expansion engine double tube percolator double normal double-space double courved aerofoil double pipe cooler crystallizer