一级做a爰性色毛片免费1,在线观看午夜av,亚洲第一狼色综合区,日本中文字幕视频在线,理论电影av,天天插天天透伊人,亚洲青草

您的瀏覽器版本太低，將不能正常瀏覽。請(qǐng)升級(jí) Internet Explorer或使用Google Chrome瀏覽器。
如果您在使用雙核瀏覽器，請(qǐng)切換到高速 / 極速 / 神速 核心。
O-Cresol
Product
2020-03-27
O-Cresol
Product Name：O-Cresol
Executive Standard：GB2279-89
Packing Specifications：200kgs/t galvanized barrel.
Annual Production Capacity: 1,000MT/A
Appearance：Colorless or light yellow crystals at temperatures below 30 degrees.
Can be used in pesticide,herbicide,disinfectant, spiceand chemical reagent, also used to synthesize coumarin, used as diluents in the production of preservative and sebacic acid, and used as hormone-type herbicide and plant protection products.