Tham khảo tài liệu 'mcgraw hill, dictionary of engineering (2003) episode 4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | button bit button bit IDES ENG A drilling bit made with button-shaped tungsten carbide inserts. baton bit button die DES ENG Amating member usually replaceable for a piercing punch. Also known as die bushing. bot-on dT buttonhead DES ENG A screw bolt or rivet with a hemispherical head. bot-on hed buttress CIV ENG A pier constructed at right angles to a restraining wall on the side opposite to the restrained material increases the strength and thrust resistance of the wall. bo-tros buttress dam CIV ENG A concrete dam constructed as a series of buttresses. bo-tros dam buttress thread DES ENG A screw thread whose forward face is perpendicular to the screw axis and whose back face is at an angle to the axis so that the thread is both efficient in transmitting power and strong. bo-tros thred buzz CONT SYS See dither. ELECTR The condition of a combinatorial circuit with feedback that has undergone a transition caused by the inputs from an unstable state to a new state that is also unstable. boz BWE See bucket-wheel excavator. BWG See Birmingham wire gage. BX cable elec Insulated wires in flexible metal tubing used for bringing electric power to electronic equipment. Jb e eks Jka-bol bypass CIV ENG A road which carries traffic around a congested district or temporary obstruction. ELEC A shunt path around some element or elements of a circuit. ENG An alternating usually smaller diversionary flow path in a fluid dynamic system to avoid some device fixture or obstruction. bT pas bypass channel CIV ENG 1. A channel built to carry excess water from a stream. Also known as flood relief channel floodway. 2. A channel constructed to divert water from a main channel. bT pas chan-ol bypass filter electr Filter which provides a low-attenuation path around some other equipment such as a carrier frequency filter used to bypass a physical telephone repeater station. bT pas fil tor bypass valve eng Avalve that opens to direct fluid elsewhere when a pressure limit is exceeded. bT pas .
