氢氧 qīngyǎng oxyhydrogen Definitions Defs Origin Strokes Stroke Words Sentences Sents 氢氧 氫氧 qīngyǎng oxyhydrogen a mixture of hydrogen and oxygen gas, typically in a ratio of 2:1, used in high-temperature torches for welding and cutting
氢氧 氫氧 qīngyǎng oxyhydrogen a mixture of hydrogen and oxygen gas, typically in a ratio of 2:1, used in high-temperature torches for welding and cutting
