例句與造句

1. Standard specification for liquid and paste fluxes for soldering of copper and copper alloy tube
   銅和銅合金管釬焊用液體和軟膏狀助溶劑的標(biāo)準(zhǔn)規(guī)范
2. It's difficult to find paste flux in a sentence. 用paste flux造句挺難的