MFT总燃料跳闸
虾的一生可分为胚胎期、()期、仔虾期、成虾期。 ["A、稚虾","B、鳋状幼体","C、大眼幼体","D、黄虾"]
卡瓦打捞筒下至距鱼顶()要开泵循环,冲洗鱼头。 ["0.3m","0.5m","1.2m","7m"]
我国四大家鱼对PH值的适应范围最大为()。 ["A、3.6-7.2","B、4.6-10.2","C、5.5-8.3","D、6.0-8.0"]
卡瓦打捞筒的内径略小于落鱼外径的()。 ["3~5mm","1~2mm","5~7mm","8mm"]
仪表的分辨力