单词	大龍頭
释义	同Hydrant
随便看	shallow seismic profiling shallow shoal shallow shock shallow silicided junction shallow sowing shallow spherical shell shallow stratum shallow streams make most din. shallow system shallow system organization shallow-temperature survey shallow trap shallow trap model shallow-trench shallow trench isolation shallow trench isolation recess shallow trench isolation (sti) recess shallow trench oxide shallow turn shallow vein zone deposit shallow water shallow water, shallow water acoustic propagation shallow water component shallow water deposit