然后，将工业品二甲苯放入瓶中，使达到瓶口。
Thereafter the bottle is filled to the lip with commercial grade xylene.
以重质洗油为原料，二甲苯为溶剂精制工业芴。
The technical fluorene has been refined from the heavy wash oil with xylene.
根据NASA的相关研究，证明了蜘蛛草可以除去空气中的甲醛、二甲苯和甲苯成分。
In NASA's study, they were shown to get rid of formaldehyde, xylene and toluene.
根据NASA的相关研究，证明了蜘蛛草可以除去空气中的甲醛、二甲苯和甲苯成分。
In NASA's study, they were shown to get rid of formaldehyde, xylene and toluene.
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