fixed point leveling定点: fixed point水准测量: differential levelling; leve ...双转点水准测量: double-line leveling面水准测量: area leveling; area levelling; grid levelling双水准测量: double leveling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:定点水准测量，即可在微信中查询翻译
