needleless injector

常見(jiàn)例句

雙語(yǔ)例句

• The power head can ensure that the air-pressure type needleless injector can be stored for a long term.
  這種動(dòng)力頭能使氣壓式無(wú)針注射器長(zhǎng)期儲(chǔ)放。
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