hole stemmingholestemming钻孔: drill; bore; drill hole perf ...堵塞: stop up物: thing; matter; object钻孔堵塞: ball up孔堵塞: blocking of pores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:钻孔堵塞物，即可在微信中查询翻译
