疏水阀的流向要与管路流向一致.Steam trap flow direction in accordance with that of the pipe line.疏水阀是如何知道何时开启何时关闭?How does the steam trap know when to open and close?圆盘式疏水阀适用于高压差的蒸汽主管线,蒸汽管网的阻汽疏水.Disk type steam traps are for high press...
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...