The apertures in which the cutting edges are formed has at least one straight edge (80) by which a punch, used in the process of forming the edge may be oriented.

其中形成切割边缘的孔有至少一个直边缘（80），在形成边缘的处理中 使用的冲头可以通过该直边缘来定向。

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All gun drills are straight-fluted, and each has a single cutting edge.

所有深孔钻都是直出屑槽的，并且均为单切削刃。

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The use of straight lines, glossy white glass, glowing light and anodized aluminum have culminated in a notebook that champions cutting edge technology alongside innovative design.

ENGADGET: Acer's Aspire S7 Ultrabooks coming October 26th, starting at $1,200 for the 11-inch version