B生物医药大词典by MedSci
例句 /

Lead in solders for the soldering to machined through hole discoidal and planar array ceramic multilayer capacitors.

Lead in solders for the soldering to machined through hole discoidal and planar array ceramic multilayer capacitors.

通孔盘状及平面阵列陶瓷多层电容器焊料所含的铅。