convenevi.集合vt.集合;召集;召唤
conundrumn.谜语;难题
convectionaladj.对流的对流引起的.
convection coil对流炉管
convection heat对流热
convection pass对流烟道
convection rain对流性降雨
convection term对流项
convection loss对流损失
convection zonen.[气]对流层
convection tube对淋
convection cell对流单体