例句與造句

1. These preliminary filtration is done based on H . S . C . grade points in physics, chemistry, mathematics and English.
2. Supplying rainwater that has gone through preliminary filtration measures for non-potable water uses, such as toilet flushing, irrigation, and laundry, may be a significant part of a sustainable water management strategy.
3. An additional 634 million gallons a day of sewage is pumped into Canadian harbors after preliminary filtration to remove condoms, dead rats, tampon applicators, and other unsightly refuse, but not hazardous bacteriological and chemical contaminants.
4. It's difficult to find preliminary filtration in a sentence. 用preliminary filtration造句挺難的