英语词汇portal crane怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	portal crane
释义	portal crane 【机械学】门式吊机；龙门吊
随便看	1,2-ethanedithiol 12-ring circus 12-stepper 1,3,5,-trihydroxy benzene 1,3,5-trinitrobenzene 1, 3-butylene glycol 1,3-cyclopentadiene 1,3-dihydroxynaphthalene 1,3-dimethylxanthine 1,3-dioxolane 1, 4-butylene glycol 1,4-dichlorobutane 1,4- dihydroxyanthraquinone 1,4-dimethoxybenzene 1,4-glucan branching enzyme 14th Amendment 1,5-cyclooctadiene 1,5- dihydroxyanthraquinone 15-minute celebrity 1600 Pennsylvania Avenue 1.6-hexanediol 1,8- dihydroxyanthraquinone 1-A 1-amino-2-naphtol-4-sulfonic acid 1-A-O

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。