例句與造句

1. Multi - level plain weave surface filtration structure , good effects in countercurrent rinsing
   多層平織絲網(wǎng)表層過(guò)濾結(jié)構(gòu)，逆流清洗效果好，清洗簡(jiǎn)單。
2. It's difficult to find surface filtration in a sentence. 用surface filtration造句挺難的