单词	[便]反馈
释义	同[便]反馈--还原(存储设备)--回收
随便看	hydrogen film hydrogen flame detector hydrogen flame ionization hydrogen flame ionization detector hydrogen flame temperature detector hydrogen flocculus hydrogen fluoride hydrogen fluoride alkylation process hydrogen-free dlc hydrogen fuel hydrogen fuel cell hydrogen fuel cell/battery hybrid vehicle hydrogen (fusion) hydrogen (fusion) reaction hydrogen (fusion)--reaction hydrogen fusion reaction hydrogen gas hydrogen gas cooling system hydrogen gas generator hydrogen gas system hydrogen gas thermometer hydrogen generation hydrogen generator hydrogen getter hydrogen getter material