词汇	维生素B12片
释义	维生素B12片医Vitamin B12 Tablets
随便看	double-pole fastening steel pipe scaffold double pole field switch Double pole filter double pole fishing method double pole front connected Double-Pole Front Connected double pole fuse double-pole fuse double pole if filter double-pole IF filter double pole keying double-pole keying double pole lever switch double pole mast double pole piece magnetic head double pole-piece magnetic head double pole receiver double-pole receiver double pole relay double-pole relay double-poles double pole scaffold double-pole scaffold double pole series circuit double pole simple throw switch