Centring on this focal point, the full text divides into three parts.围绕此重点, 全文分三个部分.Introduced in the paper is a newly developed centring - roll system used on rotary pipe mill.介绍了一种用于斜轧钢管生产的新式定心辊装置.At some studios two a...
All the royal cars are fitted with electronic homing devices.所有的皇家轿车都装有电子自导引装置。These cruel devices are designed to stop prisoners bending their legs.这些残酷的刑具是用来阻止犯人弯腿的。Most mechanical devices require oil as a lubricant.绝大...