sandfly repellent是啥?

sandfly repellent是啥? water-repellent 是什么意思? durable water-repellent是什么意思 durable water-repellent是什么意思 repellent spectacle是什么意思呢? 什么是mosquito repellent 求问water repellent是什么意思 如何区别Waterproof Water Repellent Water Resistant repellent和repulsive有什么区别 疯狂喷气机里 Purchase and use the nerd repellent gadget the jacket was water-repellent and down-filleddown-filled是什么意思? Inner lining:290T polyester with water repellent finish.Filling:80% down,20% feather求翻译 求几个英语纺织术语warp,fill,wale,course,compacted,calendared,heat set,stain resistance,napped,peached,water repellent,soil releaseresin,durable press,brushed,sanded不吝赐教,tks 英语翻译Carbon,Soot & GraphiteHeavy Oils Tars & Solvent based productsWater Repellent Grease & WaxesLight Oils,Grease & SoilProtein DepositsCheetahFast is now the fastest and safest way to get the dirtiest working hands“finger-snapping” clean if visiting an area where there is a risk of malaria,use insect repellent and a mosquito net for sleeping：85307 后面数字无意义想知道for怎么翻译,什么用法? 是啥? 密度是3.9是啥 压力是到底是啥?