英语词汇principal rafter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	principal rafter
释义	principal rafter 【土木工程】主椽[亦作 king post]
随便看	voltage doubler voltage feed voltage feeding voltage gain voltage generator voltage gradient voltage-multiplier circuit voltage node voltage phasor voltage quadrupler voltage rating voltage reflection coefficient voltage-regulating transformer voltage regulation voltage regulator voltage-regulator diode voltage regulators voltage-regulator tube voltages voltage saturation voltage transformer voltaic voltaic batteries voltaic battery voltaic cell

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。