half-countersunk head的意思|示意
half-countersunk头
half-countersunk head的网络常见释义
半埋头 ... half-round head 半圆头 half-countersunk head 半埋头 Half Head Side 半头头面 ...
half-countersunk head相关短语
1、 half round countersunk head bolt 半圆沉头螺栓
2、 half-countersunk rivet head 半埋头式铆钉头
3、 half countersunk rivet head 半埋式铆钉头