round throw炮: big gun; cannon; artillery p ...孔: hole; opening; aperture组: group爆破: blow up; blast; burst; demol ...扇形炮孔组: fan holes; fan round; fan-pattren holes; fan-shaped round; ring holes; ring-fanned holes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:炮孔组爆破,即可在微信中查询翻译