In product design, process and material have a major change in type test should be done.
产品在设计、工艺及材料有重大变化时应做型式检验。
The last type of house subjected to test in 1955 was also of earthquake-resistant design.
在1955年试验中采用的最后一种房屋的设计也具有防地震性能。
The last type of house subjected to test in 1955 was also of earthquake-resistant design.
在1955年试验中采用的最后一种房屋的设计也具有防地震性能。
应用推荐