英语翻译

问题描述:

英语翻译
把下面这句话翻译成英语 ;
直径大于等于0.05mm的粒子数不能超过1000个,大于等于0.5mm的粒子数不能超过7个,否则需要调整风机的风速.

Among all the particles,the number of the ones whose diameter is longer than 0.05mm should be less than 1000,and the number of the ones whose diameter is equal to 0.5mm shuold be less than 7,otherwise...