【生活】控制或支持装置【生活】夹紧或支承装置

backsiphonage preventer (anti-siphoning device)

animal scaring device with means for emission of audible signals

advancing or raising device thread guide

sequential-access device

broken-end collecting device, blowing parts, exhaustion parts for dust-proof protection

yig single crystal device【电子】;yttrium iron garnet single crystal device【电子】

device for extracting fruit juice by means of steam

winding mechanism (winding device, winding apparatus)