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筛选出：4条记录

Aluminium Cored Foundation

the aluminium core was passed through liquid wax to ...

Using "trapping comb" to decrease Varroa population

A summary of an article written by Ingemar Fries and...

蜂花粉过敏的实质是什么？

蜂花粉过敏过程十分复杂，其实质是一种异常的病理性体液免疫反应...

一般贮存法怎样贮存蜂花粉？

将花粉装入无毒塑料袋中，扎紧，蜜蜂，贮于阴凉通风的仓库中。这...