英语词汇“aged population”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	aged population
释义	aged population 老年人口
随便看	pump characteristic pump characteristic curve pump characteristics pump check ball pump check spring pump check valve pump check valve ball pump circuit pump-circulation pump circulation pump classification Pump Clause pump coastdown pump compartment pump compass pump component pumpconcrete pump concrete pump connecting link pump constant speed line pump control pump-controlled servomotor pump control mechanism pump control rack pump control system 刽刿剀剁剂剃剅剆剈剉 □痛 □祥 □等 □纩 □绅 □绎 □缊 □缕 □耞 □蒌