[名词解释] 灭生性除草剂

内吸性除草剂 栈桥式固定码头是由引桥，工作平台和（）部分组成。 ["钢构架","靠墩","趸船","护栏"] 选择性除草剂 MAX70滤嘴一切三轮内侧端面支配气盘之间的间隙X应满足（）mm。 ["0.01","0.02","0.1","0.2"] 治疗剂 灭生性除草剂