تلفظ بین المللی : /bjˈuːk mˈʌslɪn/ تلفظ : [bj'u:k m'VslIn]
English
See Book muslin.
A sliding piece which either is moved by, or moves against, fluid pressure. It usually consists of a short cylinder fitting within a cylindrical vessel along which it moves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes. Piston head (Steam Eng.), that part of a piston which is...
