例句與造句

1. Existing pumping equipment would require upgrading to cater for the net positive suction head requirements to draw seawater from the lagoons reservoirs
   -現(xiàn)有水泵的功能需要提升，以配合水泵正吸水壓的要求，從瀉湖蓄水庫抽取海水。
2. It's difficult to find net positive suction head requirement in a sentence. 用net positive suction head requirement造句挺難的