单词	背躬
释义	背躬 bèi gōng 基本例句 aside 打背躬utter an aside
随便看	magnetic head landing zone magnetic head load magnetic head loading zone magnetic head loss magnetic head, magnetostrictive magnetic head material magnetic head materials magnetic head mounting magnetic head mounting, rotatable magnetic head movement magnetic head of video cassette recorder magnetic head on-line cleaning Magnetic head polishing slurry magnetic head positioning construction magnetic-head positioning construction magnetic head positioning mechanism magnetic head positioning system magnetic head potting adhesive Magnetic Head Pulley magnetic head record carrier magnetic head recording magnetic head, rotating magnetic heads magnetic head scanner magnetic head shielding