“scotch marine boiler”的概念、定义、翻译、参考文献-科学参考

单词	scotch marine boiler
释义	scotch marine boiler [`skäch mǝ¦rēn `bȯil·ǝr] See <<scotch boiler>>
随便看	pulse wave pulse width pulse-width discriminator pulse-width modulated static inverter pulse-width modulation pulse-width modulation-frequency modulation pulse window pulsing key pulsing transformer pulsometer pultrusion pulverite pulverization pulverizer pulvillus pulvinus puma pumice pumice fall pumiceous pumice stone pumicite pumilith pump pumpability

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