round head

常见例句

• Round head low square neck carriage bolts.
  半圆头低方颈螺栓。
• He said he would head the antenna with a ball.
  他说他还要给天线安个圆头。
• Our tools are round brushes varying from very fine to very coarse, and paints.
  我们的工具是从很细到很粗的圆头画笔，然后就开始画。
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