Technical grade propylene ( 92-93 percent , the balance being propane ) and anhydrous fertilizer grade ammonia are satisfactory.

  • 技术级的丙烯 ( 92-93%, 平衡剂为丙烷 ) 和无水化肥级氨水就能满足要求.

  • 互联网摘选 2025-01-20 12:44:42

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