英语词汇“sight tube”的翻译、意思、用法、释义-英汉汉英双解词典

单词	sight tube
释义	sight tube 观察孔
随便看	scarce species scarcest scarce supply scarce support scarce swallowtail Scarce Swift scarce talents scarce technological talents scarce times scarce times a scarce book scarceyl less scarch Scarchilli scarching unit scarch results scarcht scarch the water of life Scarci Scarcia scarciafratte scar, cicatrix Scarciglia scarciofolo Scarciolla scarcioni