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NEWS-52 : There is a correct and incorrect way to write it. It is primarily used as a measure of smoothness or friction, though it can also mean "smoothness" or "friction" in general. When written as "coefficient of friction" for flow in a pipe, it usually pertains to smooth surfaces, but it can also indicate resistance or friction in a pipe. It is used to measure the "coefficient of friction" of moving objects in a pipe. The main rule of application is that it should be written as "coefficient of friction" for flow in a pipe. The purpose of a "coefficient of friction" is to measure the "coefficient of friction" of a pipe or material. It is used to evaluate the movement of a pipe or material in a pipe. It is used to evaluate the effectiveness and efficiency of pipe transportation.

2010年11月15日116 分