hammer head [= hammer head shark]  双髻鲨; Y髻鲨

head to head  对遇; 交头接耳地

head to head configuration  头对头结构

head to head structure  头接头结构

head wind [= head sea]  逆风; 顶[头]风; 逆浪

head-to-head  肉搏战

head-to-head polymer  头-头聚合物

hexagon socket countersunk head cap head screw  内六角沉头螺钉

hexagon socket head cap head screw  内六角圆柱头螺钉

Round head rivets with small head--Black  小半圆头铆钉

snap head rivet (round-head rivet)  圆头铆钉

Super Suction Head And Big Variable Head  大变幅超吸程

sentences adverbial-head structure in Mawangdui  亚太互联网络信息中心

“ADSS” head  ADSS机头

2D real head model  二维真实头模型; 日增重

3D Color Head Dataset  三维彩色头像数据集; 三维彩色人头数据

3D Shepp-Logan head phantom  3D Shepp-Logan头部模型

3D tracking trajectory of head vertex  头顶点的三维运动轨迹

493Q cylinder head  493Q气缸盖