词汇	smooth barrel
释义	smooth barrel 滑膛炮管
随便看	special lubricating grease special lubricating oil specially specially- 'specially specially advised credit specially advised letter of credit specially affected States specially appointed Specially appointed crowd specially authorized specially-authorized business specially big bridge specially-built specially-builts specially characteristic specially-constructed specially constructed orchard specially-constructeds specially crossed check specially demanded experts clinic specially denatured specially denaturedalcohol specially-designated enterprise specially-designated factory