geotextiles and geotextilerelated productsdynamic perforation testest落: fall; drop锥: awl awl-shaped things法: law沉锥法: falling cone method单锥法: single cone method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:落锥法，即可在微信中查询翻译
