However, due to the compressed air dryer's main purpose is to reduce the air only water vapor, therefore dryer oil removal ability is difficult to determine.
然而，由于压缩空气干燥器的主要目的仅仅是降低气流中的水蒸气含量，因此干燥器的除油能力很难确定。
This is not, however, a morally neutral book, and its purpose is to assist, however marginally, in the removal of needless social costs from which many people in the community suffer.
这不是然而，道德中立的书，其目的是协助，但不多，在消除不必要的社会成本从社会上已有不少人受到影响。
Study is made of vanadium removal from ammonium molybdate solution by ion exchange, focusing on the use of DP-1 resin for the said purpose.
对采用离子交换法从钼酸铵溶液中除钒进行了研究。着重考察了DP - 1螯合型树脂从钼酸铵溶液中分离钒。
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