Hydrogen, meanwhile, requires costly cryogenic storage that can be hazardous to operate and large, insulated tanks that take up space and weight.是什么意思_Hydrogen, meanwhile, requires costly cryogenic storage that can be hazardous to operate and large, insulated tanks that take up space and weight.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句