circular pit圆: round; circular; spherical纹: lines; veins; grain孔: hole; opening; aperture纹孔: pit; reaming; tupfel圆纹曲面: cyclic surface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:圆纹孔，即可在微信中查询翻译
