时间:2022-10-20 20:08:01
养鱼塘。
breeding: n. 1.孵化;饲养;繁育。 2.选种;育种。 3.繁殖 ...
pond: n. 池塘;鱼塘。 the big [herring] ...
Maintains the breeding pond so that sediment does not collect on the bottom
维持繁殖池,池底不产生污泥,控制水质。
Maintains the breeding ponds so that sediment does not collect on the bottom , and also controls water quality
:维持繁殖池,分解排泄物,可减轻排泄物对水质的污染,对改善水质有帮助。