serrations

Lateral lobes short, margin usually entire, rarely with a few serrations, apex acute, sometimes lobes very small or obsolete.
短的侧裂片，通常全缘的边缘，很少具几锯齿，先端锐尖，有时裂片小或废退的。
Aerospace series. Washers, lock, with radial serrations, in corrosion resisting steel, cadmium plated. Dimensions.
Aerospace series. Washers, lock with radial serrations in corrosion resisting steel. Dimensions.
A sales representative told us that the serrations on the inner edge are designed for beheading people.
一位销售代表告诉我们，匕首内缘的锯齿设计是为了方便斩首。
Aerospace series. Washers, lock with radial serrations, in alloy steel. Dimensions.
Attach brass valve arm to plastic valve arm with thumbscrew provided. Make sure serrations mesh properly.
用所提供的翼状螺丝将黄铜阀门臂附加到塑料阀门臂上。确保锯齿啮合适当。
Machine tools. Serrations for jaw chucks. Test dimensions. Assembly.
A wrench with a v-shaped jaw and serrations on one side (resembles the open jaws of an alligator).
一边有v型锯口和锯齿状隆起的扳手（和鳄鱼的口相似）。
L will not attack brass serrations of magnetic chucks.
The serrations also retain their ability to cut longer than a standard edge.
此外，相对于标准刀刃来说，锯齿刃能把它们的切割能力保持得更久。