【摘要】Abrine相思豆堿O-Acetyl-3,6-di-O-β-D-xylopy-rano-astragalosideO-乙烯3,6-雙氧-β-D-吡喃木糖基綿毛黃芪甙Acetylastragaloside乙酰黃芪甙N-Acetyl-D-GlucosamineN-乙酰氨基葡萄糖糖6"-acetylhyperoside6"-乙酰氧基金絲桃甙
2025-07-15 04:24
【摘要】die模具figurefile,chartfile圖檔cuttingdie,blankingdie沖裁模progressivedie,follow(-on)die連續(xù)模pounddie復(fù)合模punchedhole沖孔panelboard鑲塊tocutedges=sidecut=sidescrap切邊tobendi
2025-07-29 21:55
【摘要】第一篇:數(shù)學(xué)中英文詞匯對照表 集合set 非負整數(shù)集thesetofallnon-negativeintegers自然數(shù)集thesetofallnaturalnumbers整數(shù)集thesetofa...
2024-10-10 17:53