helical
【电】 螺旋管
helical traveling-wave tube
暂无补充释义。
相关词条
paired helical filaments
alpha-Helical Conformation, Protein
non-segmented helical-scan video tape recorder【电】视
helical torsion spring
helical structure
helical groove broaching machine
duplex helical【机】;duplex helical method【机】