1·An extremely poisonous white compound, KCN, used in the extraction of gold and silver from ores, electroplating, and photography, and as a fumigant and insecticide.
剧毒白色化合物，KCN，用于从矿石中提炼金银的过程中、照相中以及作为熏蒸剂和杀虫剂。
2·Phosphine (PH3) is one of the best fumigant, widely recognized as the performance control stored product insects.
磷化氢(PH3)是目前公认的防治储藏物害虫性能最优良的熏蒸剂之一。
3·An axial type fan with a capacity of at least 71 m3/min (2500CFM) must be used to circulate the fumigant.
必须用风量大于71立方米每分钟的轴流型风机进行熏蒸剂循环。