hydrolevelling deviceleveling instrument水准测量: differential levelling; leve ...仪: appearance; bearing水准测量仪器: leveling insteument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:水准测量仪，即可在微信中查询翻译
