Terms containing head-to -head structure

Subject	English	Chinese
tech.	head to head structure	头对头结构
tech.	head to tail structure	头对尾结构
polym.	head-to-head structure	头一头接结构
chem.	head-to-head structure	对头结构
plast.	head-to-tail structure	头一尾结构
chem.	head-to-tail structure	头尾结构