While the temperature was kept between 24℃and 26℃, relativity humidity from 70% to 80%, the Ora- cella acuta population was successfully established in rearing room.
在昆虫饲养室，保持温度在２４～２６℃、相对湿度７０% ～８０%的条件，及时清除不利于寄主培育和天敌繁殖的有害生物及更换萎蔫的松苗，为实现建立湿地松粉蚧种群和湿地松粉蚧寄生蜂的寄生繁殖提供寄主条件。
Solid insect feed is liquid state in the modulating process,and gradually becomes solid after split charging operation.
固体昆虫饲料在调制过程中呈液态,分装后逐渐变成固态,现有的分装设备很难实现由液态原料转为固态原料的机械化分装。
本网站所收集内容来自网友分享仅供参考，实际请以各学校实际公布信息为主！内容侵权及错误投诉：1553292129@qq.com
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号：浙ICP备2024058711号