back beam التعريفات والمعاني == English == === Noun === back beam (plural back beams) (aviation) Synonym of back course. (textiles, weaving) Synonym of warp beam. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة back beams back seat back-seat driver back-seat gamer back gammon player back east back bearing back beat back bacon