penetrometerradiochrometer xβ射线: beta ray穿透: penetrate; pierce through; p ...计: count; compute; calculate; n ...x射线穿透计: radiochrometre放射线穿透计: radiochrometer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:射线穿透计，即可在微信中查询翻译
