perilous rock in tension-shear fracture是什么意思 perilous rock in tension-shear fracture在线翻译 perilous rock in tension-shear fracture什么意思 perilous rock in tension-shear fracture的意思 perilous rock in tension-shear fracture的翻译 perilous rock in tension-shear fracture的解释 perilous rock in tension-shear fracture的发音 perilous rock in tension-shear fracture的同义词