The paper introduces a hydraulic pressure system and a PLC control system, which can settle the problem and help to improve the automatized level of refuse collector.

介绍了一种液压系统及PLC控制系统的设计可有效解决上述问题，并有助于提高我国垃圾车的自动化水平。

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If you refuse, we will ratchet up the pressure.

NPR: Transcript: Obama's Speech at AIPAC

But if they refuse to co-operate, they will face pressure over some of their less-than-competitive practices, identified in the Cruickshank report earlier this year.

ECONOMIST: Squeezing the banks

But they too backed down reluctantly under tough pressure from the government and after three Scottish players said they would refuse to take part.

ECONOMIST: A modern mourning for a modern star