main beam transverse
[海运英汉词典]
main beam transverse短横梁
是什么意思,main beam transverse的解释,main beam transverse的翻译
[水利英汉词典] main beam transverse
main beam transverse
[海运英汉词典]
main beam transverse是什么意思,main beam transverse的解释,main beam transverse的翻译
[水利英汉词典] main beam transverse