螃蟹的螯the claws of a crab植物由于具有螯合机制可能影响土壤的化学特性.Plants may possibly influence soil chemistry by the possession of chelating mechanisms.确定螯合 -- 溶剂萃取法所得到的检测限颇为困难.It is difficult to define the detection limits obtained by chel...
Violation of Article 31 hereof concerning rules of compulsory enforcement or prohibition.三违反依第三十一条所定办法中有关强制或禁止之规定.The amount of each drawing must be endorsed on reverse hereof.每笔汇票金额必须在信用证背面给予签注.You will find the signatu...