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(zhǎng)的行河時(shí)間。bathymetrical contour 海底等深線laser bathymetri survey 激光法測(cè)探 返回 bathymetrical