显微裂纹...

The main occurrence states of Au the native Au the microfissure Au and the inclusion Au.自然金、显微裂隙金及包裹金组成金的主要赋存状态....

microfissure的音标：microfissure的英式发音音标为：[maɪk'rɒfɪʃər]microfissure的美式发音音标为：[maɪk'rɒfɪʃər]...