Air core

Air core may refer to:

单词	Air core
释义	Air core 英语百科 Air core Air core may refer to: Air core drilling, a form of rotary air drilling Magnetic core
随便看	ECMWF ECN e.c.n Ecna Ecncapsulation ECNE ecnea ecnephias EC E.C.NO. ecnoea ecnoia ecnomic punishment ecnomus laminata ecnomus tenellus ecnomus wulaina ECNR ECNS ECNT ecntrifugal machine E. C. O. Eco 30S ECOA ecoactivism eco activist