hydrologic benchmark水文: hydrology用: 40分钟跑完全程 run the course in 4 ...水准点: bench mark水准点: bench mark,bm; benchmark（bm）; datum mark; level mark; leveling point; point of reference; spot level水准点；基准点: benchmark下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:水文用水准点，即可在微信中查询翻译
