久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

“品級”的近義詞/同義詞：等級, 等第。...

...

“品級”的拼音為：pǐn jí ...

試劑級, 醫(yī)藥級, 食品級, 化妝品級, 工業(yè)級等.Reagent grade, pharmaceutical grade, grade, cosmetics, industrial, and so on.滿城漢墓出土文物數(shù)量多, 品級高,文物科技價(jià)值和工藝價(jià)值高.Mancheng Han tombs excavated quantity, grade high heritage value and process - value te...