vacuum precompression 真空预压

vacuum precompression method 真空预压法

underwater vacuum precompression 水下真空预压

plastics drainage plate-vacuum precompression 塑料排水板真空预压法

plastics drainage plate-vacuum precompression method 塑料排水板真空预压法

vacuum and precompression loading 真空联合堆载预压

vacuum heaped load precompression 真空堆载联合预压

vacuum-heap combined precompression 真空

vacuum combined loading precompression 真空联合堆载预压