“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	Scotch bond Scotch derrick scotch marine boiler Scotch mist Scotch pine Scotch-type volcano Scotch whiskey Scotch yoke scotochromogen scotodinia scotoma scotomization scotophor scotopic vision scotoscope Scott connection Scott-Darey process Scott top scour scour and fill scour channel scour depression scouring scouring agent scouring basin

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