During the recovery of heat energy from the cylinder exhaust of diesel engines, the installation can greatly reduce noise pollution and mostly eliminate exhaust lampblack.

当它对柴油发动机汽缸排气余热回收时，大大地降低了噪声，且排气中油烟亦基本消除。

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The use of hydraulic cylinder in hydraulic elevator, the part usually has five parts: piston and piston rod, cylinder and cylinder head, buffer device, sealing device and exhaust device.

液压升降机中使用的液压油缸，其组成部分通常有五部分：活塞和活塞杆、缸筒和缸盖、缓冲装置、密封装置、排气装置。

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One pressure inlet, two cylinder ports providing pressure to the double acting cylinder or actuator and one or two outlets to exhaust pressure from the cylinders.

一进气压力，双缸端口提供的压力，双作用气缸或执行器和一个或多个渠道从排气汽缸压力。

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It looks like the Italian Gambalunga bikes from years ago, thanks to classic styling cues like a low frame and handlebars, rounded front fairing, its dial design and dual-cylinder exhaust.

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In this case it's a four-cylinder BMW-sourced engine providing that extra range, exhaust peeking out just behind the front-left wheel.

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The EPA pulled off the feat by sharply increasing the amount of oxygen-poor exhaust that is recirculated into the combustion chamber and increasing the pressure of the fuel being forced into the cylinder.

FORBES: EPA, Inc.