“safety water mark”的概念、定义、翻译、参考文献-科学参考

单词	safety water mark
释义	safety water mark Encyclopedia 工学水运交通指示释 safety water mark安全水域标设在航道中央或航道的中线上，标示其周围均为可航行水域的交通指示标志，也可代替方位标或侧面标指示接近陆地。
随便看	Xi'an Xicang Gong and Drum Ensemble Xian Xinghai Xi'an Xingqing Palace Park Xian Y-20 Xianyang xianyang geothermal field Xianyang human settlement planning and construction in Qin Dynasty Xianyang Museum Xianyang Shi Xi'an Yanliang National Aviation High-Tech Industrial Base Xianyou Temple Xianyou Xian Xianyu Biren Xianyun Xianyu opera Xianyu Pu Xian Yushu Xianyu Tribe Xianzhai Lao Ren xianzi dance Xianzi opera Xianzitan Rock Art Xianüfu Ci Xiao xiao

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