【运输】一种依靠锥形容器内的离心力将固体颗粒从水流中分离出来的机器

retaining device railway spike (spike)

semiconductor device excluded Se, Te, Cu-oxide, Cu-jodide, AIV-elements

intrauterine contraceptive device

SQUID (superconduction quantum interference device)

knife-sharpening device

cistern with lifting device for flush closets

manoeuvring device, built-in motor vehicle

thread-feeding device, feed wheel unit