绿板是一种可以接受的基板。

Greenboard is an acceptable substrate.

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绿片岩原岩是一套含板内拉斑玄武岩的火山沉积建造。

The greenschists originated from a series of volcanic - sedimentary formations with intercalated intracontinental tholeiites.

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250BV 基板清洁机，采用毛刷真空清洁方式在线清洁PCB焊盘表面的异物。适用于板屑和绿油残片较多的基板。

UC-250BV adopts Brush+ Vacuum cleaning method to clean dusts on the surface of PCB. It is suitable to clean PCB with much dust.

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