The air storage Chambers are communicated with two ends of the cylinder body through fabrication holes.
所述储气室与缸体两端通过工艺孔相通。
The resulting laser-machined holes have a much higher aspect ratio (diameter to depth ratio) than holes achieved with standard fabrication techniques.
激光加工产生的孔比标准制造技术有更高的直径深比。
The backside holes of prior art microphones typically require that a secondary machining operation be performed on the rear surface of the silicon wafer during fabrication.
现有技术中传声器的背侧孔典型地要求在制造过程中于硅片的后表面上进行一种二次机加工操作。
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