Make out a simple sum about the making requirement of the project datum of the multilayer PCB, and bring forward some advice about improving the quality of making the project datum.

对多层印制板工程资料的制作要求做出简要总结，并对提高工程资料的制作质量提出一些建议。

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PCB is a factory team that specializes in PCB Production Line Systems for technical design, device manufacturing, project complete with parts supply and maintenance.

珠海中成工业设备是一家专业为PCB厂家提供生产线配套工程的技术方案、设备制造、工程总承包及配套服务的工厂组织。

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DiNapoli said he is withdrawing his resolution, which was filed in response to a U.S. Environmental Protection Agency progress report last summer that said PCB concentrations were higher than expected in some areas outside the project's footprint.

WSJ: GE to study Hudson River cleanup expansion