The crank-chain driving and long stroke pumping unit described in this papes is a new type of pumping unit.

曲柄链条动滑轮式长冲程抽油机是一种新型抽油机。

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Each free roller or discharge roller has its separate driving motor and reducing gear for chain wheel and chain driving system.

每个自由辊或出坯辊由各自的电机、减速机通过链轮链条驱动。

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The paper recommends the working principle, structure, self-adaptive features and the design of the main elements of a new type of chain driving device for rotary kiln.

介绍一种新型托链式链传动的工作原理、结构、自适应特征及其主要元件的设计。

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Yet the employees who carry out the operations that make up much of a supply chain's individual components, such as driving trucks, overseeing warehouses or operating fork-lifts, are not always treated as though their jobs are important.

ECONOMIST: Delivery companies are consolidating

Instead of driving to the ballpark, they tie a ball and chain to each foot and walk to work, because they're scrappy like that.

WSJ: D-Backs Get Down and Dirty

Mobile commerce is driving the requirement for mobile remote payments, creating new revenue potential for businesses involved in the value chain including Communications Service Providers, banks and credit card companies, transport operators and merchants and also postal operators who have diversified by offering banking services and mobile services through their vast networks.

FORBES: Never Go to the Post Office Again