例句與造句

1. The toothed double - roll coal crushers designde and manufactured by our plant are reasonable in construction excellent in perfor mance and reliable in quality
   我廠設計制造的雙輥齒牙式碎煤機結(jié)構(gòu)合理、性能良好、質(zhì)量可靠。
2. The toothed double - roll coal crushers designed and manufactured by our plant are reasonable in construction excellent in perfor mance and reliable in quality
   我廠設計制造的雙輥齒牙式碎煤機結(jié)構(gòu)合理、性能良好、質(zhì)量可靠。
3. It's difficult to find roll coal crusher in a sentence. 用roll coal crusher造句挺難的