词汇	背三角孔
释义	背三角孔医notothyrium
随便看	vertical internal broaching machine vertical internal combustion engine Vertical internal cylindrical honing machine vertical internal grinder vertical internal test signal vertical international division of labor vertical international specialization vertical interpolation vertical interrupter vertical interrupter contact vertical interval vertical interval data transmission vertical interval keyer vertical interval reference vertical interval reference signal vertical interval signal vertical interval switching Vertical Interval Test vertical interval test signal vertical interval time code vertical intra-industry trade vertical inventory vertical inverter vertical invertter vertical investment