1) tack
平头钉
2) tack hammer
平头钉锤
3) round-flat-headed nail
圆平头钉
4) lead tack
铅块平头钉
5) flat bow
平头
1.
The relationship between the resistance performance of a shipform with flat bow and cochlea-channeled stern and that of conventional shipforms is investigated.
探讨了平头涡尾船型阻力性能及其与常规船型阻力性能的联系。
2.
The performance of the flat bow and cochlea-channeled stern ship based on measured data and by statistical graphs and theoretical analysis is compared with that of conventional ships made at home and abroad.
根据多条平头涡尾船实船测试数据,并从图表统计及理论分析上将平头涡尾船与国内外优秀实船作了对比。
6) Cylindrical indentation
平头压痕
参考词条
补充资料：铁板钉钉
1.犹言硬碰硬。比喻说话办事坚决﹑干脆。 2.比喻已成定论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。