The effective way for improving the quality of wave soldering was discussed in terms of the quality control before soldering and the control of manufacturing material and process parameters.
分别从焊接前的质量控制、生产工艺材料及工艺参数这三个方面探讨了提高波峰焊质量的有效方法。
Boisson's ratio is one of the effective parameters to deduce material composition of the earth interior.
泊松比是推测地球内部物质构成的有效参数之一。
Boisson's ratio is one of the effective parameters to deduce material composition of the earth interior.
泊松比是推测地球内部物质构成的有效参数之一。
应用推荐