TABLETS for controlling traffic on single line railways
单油管井口装置
single tubing wellhead【油气】
暂无补充释义。
single tubing wellhead【油气】
暂无补充释义。
TABLETS for controlling traffic on single line railways
single crop farming
single-pole circuit breaker
yig single crystal device【电子】;yttrium iron garnet single crystal device【电子】
single-horned sumac gallnut
single-side single density floppy diskette
single twitch
single-pole enclosed fused switch