短語(yǔ)詞組短語(yǔ)elastic constraint ratio 彈性約束系數(shù)elastic modular ratio 彈性模量比elastic ship ratio 彈性滑動(dòng)率dimensionless elastic constant ratio 無(wú)量綱彈性常數(shù)比elastic slip ratio 彈性滑動(dòng)率elastic constant ratio 彈性比elastic elongation ratio 彈性伸長(zhǎng)率elastic region ratio 彈區(qū)比 返回 elastic ratio