indicator-paper

常見(jiàn)例句

• Neutral reaction by litmus indicating paper.
  石蕊試紙呈中性反應(yīng)。
• indicator paper of neutral thymol phthalein
  中性麝香草酚酞試紙
• indicator paper of phenol phthalein
  酚酞試紙
• indicator paper -reflecting apparatus method
  試紙-反射儀法
• His sooty hand smudged the paper.
  他被煤菸燻汙的手把紙弄髒了。
• All its stock in trade is glossy paper backs.
  該店的全部現(xiàn)貨是光麪的平裝書(shū)。
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