stomach evacuator 洗胃排液器

solder evacuator device 焊料排出装置

bore evacuator [军] 炮膛清除器

sewer evacuator 污水管道排泄设备

gun bore evacuator [军] 炮膛抽气装置

sink evacuator 清除泵

bor evacuator 抽气装置

oral evacuator 口腔吸引器

air evacuator 抽气泵