A workflow system consists of two parts; a workflow specification tool and a workflow execution engine.

工作流程系统包括两个部分：一个工作流程指定工具，一个工作流程执行引擎。

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The air intake system of the engine is mainly composed of two parts: the air filter element and the intake pipe.

发动机的进气系统主要由空气滤芯和进气管道两部分构成。

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The hydraulic jack generally by this aircraft (main engine), the dynamic system and the hydraulic control system three parts is composed.

液压千斤顶一般由本机(主机)、动力系统及液压控制系统三部分组成。

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The company numbers Boeing, Airbus and Lockheed Martin among its customers of propulsion-system components and aerostructures--such items as engine housings and fuselage parts.

FORBES: Beefing up the rump