游艇专业英语词汇
J形槽 J-groove艏旗,千斤顶,[钻油台]升降机 jack绳梯,软梯 jack (or Jacob's) ladder顶起螺栓 jack bolt千斤顶螺栓,顶起螺栓 jack bolt水手刀 jack knife螺旋千斤顶 jack screw螺旋千斤顶 jack screw (or screw jack)中间动轴 jack shaft艏旗杆 jack staff艏旗杆 jack staff旗索,撑杆 jack stay旗索,撑杆 jack stay顶举驳船型钻油台 jack-up barge type drilling rig升降式塔(钻油台),导升装置 jack-up rig (or jack-up)升降式钻油台 jack-up rigs (or units)顶举试验 jack-up test衣,套,外套 jacket夹套结构 jacket structure水套冷却器 jacket water cooler水套冷却器 jacket water cooler可倒式塔(钻油台) jackknife rig百叶窗 jalousie锁[紧螺]帽 jam nut (or check nut, or lock nut)冲头铆钉机 jam riveter 
