例句與造句

1. appropriate medium ： water ， oil ， gas ， various acids alkaline salt solutions media etc . hard sealing ball valves also used in media with particles and firbres
   適用介質(zhì)：水、油、氣及各類酸、堿、鹽介質(zhì)，硬密封球閥還能適用帶顆粒及纖維狀介質(zhì)。
2. It's difficult to find solution medium in a sentence. 用solution medium造句挺難的