r type meaning in Chinese

粗糙型

A property on hermite - fej r type interpolation of higher order
型内插的一个性质
Stress solution of the wedge under k r type shearing stress
型剪应力作用楔形体问题的应力解
According to the practical applying of the pp - r type aluminium - plastics pipe , the paper introduces the high performance , application field , procedure character of this kind of materials , and some issues that should be considered in design and constuction work
摘要根据相关资料及在实际工程中的应用情况，介绍铝塑pp - r复合管的优良性能、应用领域、工艺特点，以及设计和施工中应注意的问题。