How can ability differentiate cobaltic bake in a pan bake porcelain tooth?怎么样才能鉴别钴烙烤瓷牙?Metal complexants such as ferrous complexant and cobaltic complexant are common used in this process.液相络合法常用的金属络合剂有亚铁络合剂和钴络合剂等....
Such a motion is considered a test of backbench opinion.这样的动议被视为对后座议员立场的考验。The Prime Minister has caved in to backbench pressure.首相迫于后座议员们的压力让步了。The wisdom of the retired generals and backbench MPs conjoins.退役将军和后座议员的智慧结...