“seamless ring rolling”的概念、定义、翻译、参考文献-科学参考

单词	seamless ring rolling
释义	seamless ring rolling [`sēm·lǝs ¦riŋ ´rōl·iŋ] ^METALLURGY The hot-rolling of a circular blank, with a hole in the center, to form a seamless ring.
随便看	pulse-train analysis pulse transformer pulse transmitter pulse-type altimeter pulse-type telemetering pulse voltage 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

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