BUNa - N is a general purpose oil resistant polymer known as nitrile rubber.丁腈橡胶(BUNa-N )是一种多用途抗油品腐蚀聚合物,称为腈橡胶.Leather, rubber and wire are flexible.皮革、橡皮和电线都是易弯曲的。A synthetic rubber made from the polymerization of butadi...
The accident was caused by people slowing down to rubber-neck.事故是由为了看热闹而减速的人引起的。Wear rubber gloves while chopping chillies as they can irritate the skin.切辣椒时要戴橡胶手套，因为辣椒会刺激皮肤。Seven people were wounded when soldiers fired ...