国产精品VA在线观看无码,免费AV一区二区三区,国产激情免费视频在线观看,国产激情久久久久影院

食品添加劑 檸檬酸銅Copper citrate

檸檬酸銅copper citrate
molecular formula:c12h10cu3o14 molecular weight:568.84
application:as a trace element nutrient for agricultural, forestry, animal husbandry or other economic crops, it can be widely used in water-soluble fertilizers, foliar fertilizers, plant nutrient regulators and chelated compound fertilizers as well as preservatives, insecticides, astringents
property:blue crystalline powder, odorless, soluble in water, insoluble in ethanol.
cas #: 10402-15-0 hs :2922499990 drawback:10%

專業回收西門子系列plc模塊cpu模塊

轉讓北京建設集團公司

膨化四氟帶 雙拉高強型四氟帶 異型法蘭適用

征收苗木拆遷價值評估

喹啉銅可濕性粉劑

MOOG伺服閥型號D634-319C

化學鎳自動加藥機一拖三

側封袋生產廠家

鎂鋁合金材質平板電腦外殼五軸聯動拋光機打磨機

山東華犇地坪銷售環氧地坪漆 耐磨 抗壓 防水質量優