“depth signal mark”的概念、定义、翻译、参考文献-科学参考

单词	depth signal mark
释义	depth signal mark Encyclopedia 工学水运交通指示释 depth signal mark水深信号标设在浅滩上、下游靠近航道一侧的河岸上，揭示浅滩航道的最下水深的水上助航标志。
随便看	Bredikhin crater Bredon Bredon cohomology Bredon theory of modules Bredt's rule bred variety of grass plant breech-loading gun breech-sight breeder breeder reactor breeding breeding by backcrossing breeding by cell engineering in aquatic animal breeding by crop DNA marker-assisted selection breeding by distant hybridization breeding by selection breeding cycle breeding factor breeding-fire breeding for forage quality breeding for nutrient efficiency breeding for resistance to disease and insect breeding for stress tolerance breeding gilt house breeding ground

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