“portal crane”的概念、定义、翻译、参考文献-科学参考

单词	portal crane
释义	portal crane [`pȯrd·ǝl `krān] ^{MECHANICAL ENGINEERING} A jib crane carried on a four-legged portal built to run on rails.
随便看	isentropic weight chart isethionic acid ISFET ishikawaite ishkyldite I signal Ising coupling isinglass Ising model island island arc island mountain island of automation island of Langerhans island of Reil islet-cell carcinoma islet-cell tumor islet of Langerhans islet of the pancreas iso- isoacceptor isoactyl thioglycolate isoagglutinin isoalkane isoalkyl group

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