linear spray是什么意思

用法例句

Simulating sprinkler performance of two combined pop-up sprinklers;

两种园林地埋式喷头组合喷洒性能的模拟试验

Application of residual contact insecticides in trash cans suppressed flies population density not only in trash cans self but also in resident houses nearby.

目的 :观察滞留性喷洒灭蝇技术的灭蝇效果、一年中不同时期采取滞留性喷洒灭蝇的效果和滞留性喷洒与空间喷洒效果及成本比较。