短語(yǔ)詞組短語(yǔ)precritical crack propagated length 裂縫亞臨界擴(kuò)展量crack s length 裂紋長(zhǎng)度crack surface length 裂紋表麪長(zhǎng)度crack extend length 裂紋擴(kuò)展長(zhǎng)度crack critical length 裂紋臨界長(zhǎng)度pre -critical crack propagation length 裂縫亞臨界擴(kuò)展量equivalent crack length 等傚裂紋長(zhǎng)度allowed equivalent crack length 容許儅量裂紋尺寸counting crack length [材]計(jì)算裂紋長(zhǎng)度 返回 crack length