例句與造句

1. Esm engineering standards manual
   工程技術(shù)標(biāo)準(zhǔn)手冊(cè)
2. Engineering standards manual
   工程技術(shù)標(biāo)準(zhǔn)手冊(cè)
3. It's difficult to find engineering standards manual in a sentence. 用engineering standards manual造句挺難的