precompressed meaning in Chinese

预压缩的

Tools for pressing - precompressed assemblies for medium rate - general specifications
冲压机.中等速率用预压组件.总规范
Theory and applicable condition of soft clay foundation consolidated by vacuum precompressed method
真空预压法加固软粘土地基的理论与适用条件
Precompressed rings . each braided graphite ring is preformed and compressed to 4 , 000 psi ( 275 bar ) at installation to ensure extreme tightness at high packing strain
预压环。每个辫状石墨环在安装时都经过预制和在4 , 000psi ( 275bar )压力下压缩，以保证在包压应变下保持最大的紧固。