聚丙烯腈不溶于丙烯腈.Polyacrylonitrile is insoluble in acrylonitrile.方法采用大鼠呼吸道静吸入染毒方法研究丙烯腈对大鼠血液的毒性.Method Rats were made to inhale acrylonitrile in static enclosure cabinet.有机氰化物, 如乙腈 、 丙烯腈 、 正丁腈等.Organic cyanide, like methyl cyan...
Tooling Plate: Universal mounting pattern with standard dowel locating holes.模具板: 通用模式与标准安装定位桩孔.The carpenter gauged the dowel with calipers.那木匠用卡钳估量暗榫.It designs two spring dowel locating systems to rotate and locate th...
There's a zoo round here? That's dandy for my kids.这附近有个动物园？我的孩子们一定会很高兴的。He was handsome and a dandy.他英俊潇洒，还是个衣着讲究的时髦绅士。He says it's a dandy. "他说那船很漂亮. ”...