Terms containing head-control

Subject	English	Chinese
space	cross head control dial	十字头控制刻度盘
footb.	head control	头部控制
hydrol.	head control gate	水头控制闸门
footb.	head-control	头部控制
eng.geol.	underwater well-head control system	水下井口控制系统
oil	well head control block valve	井口总闸门
tech.	well-head control device	井口控制
tech.	well-head control unit	井口控制
dril.	well head control valve	井口总闸门
oil	well head control valve	井口总阀门
oil	well head control valve	井口控制阀
tech.	well-head control valve	井口控制阀