生产：单体硼，氮化硼，硼酐，无水硼砂；
Production : monomer boron, Danhuapeng, boron anhydride, without detectable;
生产：单体硼，氮化硼，硼酐，无水硼砂；盐酸，液氨，氨水。
Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid, Yean, ammonia water.
生产：单体硼， 氮化硼， 硼酐，无水硼砂；盐酸，液氨，氨水。
Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean , ammonia water.
生产：单体硼， 氮化硼， 硼酐，无水硼砂；盐酸，液氨，氨水。
Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean , ammonia water.
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