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...
Our ship used the canal to transit to the east.我们的船通过这条运河驶往东方。 Transit Police Chief Sanford Garelick decided to crack down on the bums who ride the trains.交通警察队长桑福德?加勒利克决定对坐地铁的二流子们来一次镇压.Holding the transit boarding card ...