yean

This day, I'm always miss yean for the past and old friend.

這一天, 我總是想起過去,萬分思念我的老朋友.

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Manufacturing sales: Yean, ammonium bicarbonate.

制造銷售: 液氨、碳酸氫銨.

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The Christmas season always made Bonnie yean for those halcyon days of her youth.

圣誕節長使波尼懷念她年輕時平靜、愉快的日子.

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Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean, ammonia water.

生產: 單體硼, 氮化硼, 硼酐, 無水硼砂; 鹽酸,液氨, 氨水.

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Ling off ammonium bicarbonate, Yean, chemical raw materials.

靈產碳酸氫銨 、 液氨 、 化工原料.

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