Terms for subject Navigation containing free

English	Chinese
free floating wave meter	自由浮动测波计
free floating wave meter	自流体取样器
free gyroscope	三自由度陀螺仪
free gyroscope	自由陀螺仪
free harbour	自由港
free-standing drilling riser	无固定钻井隔水管
free standing riser	不固定立管