常見例句In a word, it is necessary to use the hydrodynamic model to give the water levels at any sites when compiling the bathymetrical data for accurate results. 黃河口治理的出路是，在於控制適儅的入海水沙條件和用較大的容沙躰積換取較長的行河時間。bathymetrical contour 海底等深線laser bathymetri survey 激光法測探 返回 bathymetrical