The diamond reamer has such advantages as higher machining precision, minimum surface roughness, higher efficiency and longer service life.
金刚石铰刀具有加工精度高、表面粗糙度小、加工效率高、寿命长等优点，能很好满足高精度内孔加工的要求。
Results showed that the LAS and AEO-9 mixtures at the ratio of 1:4 had minimum surface tension and the best synergic effect.
研究表明：几种表面活性剂在混合后表面张力最小，协同作用最显著的是LAS与AEO - 9比例为1∶4的复配溶液。
Results showed that the LAS and AEO-9 mixtures at the ratio of 1:4 had minimum surface tension and the best synergic effect.
研究表明：几种表面活性剂在混合后表面张力最小，协同作用最显著的是LAS与AEO - 9比例为1∶4的复配溶液。
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