半圆头

半圆头 [bàn yuán tóu]

1. ■ cup head

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常用词组

1. ■ 半圆头扳手 spanner;

2. ■ 半圆头锤 half-round hammer;

3. ■ 半圆头方颈螺栓 step bolt;

4. ■ 半圆头螺钉 button-headed screw; cup head screw; half-round screw;

5. ■ 半圆头螺栓 cup-head bolt;

6. ■ 半圆头铆钉 cup head rivet;

7. ■ 半圆头木螺钉 cup head wood screw