A new type of flame retarding mildew-resistant and water-proof tarpaulin for railway use was developed.
一种新型阻燃、防霉和防水的铁路篷布已研制成功。
2
The Resis was resistant to brown spot and powdery mildew.
雷西斯苜蓿抗褐斑病和霜霉病；
3
Methods of control downy mildew included utilizing medicine and closing a greenhouse at high temperature, but were ultimately to produce resistant varieties.