Hand lay-up ||手工铺叠，手工铺贴
Hardness testing machine||硬度测试仪
Hauling truck||拖车
Header board outside panel||前板外板
Headrest||靠枕
Heat barrier material||隔热材料
Heat forming||热成型
High molecular material||高分子材料
High pressure bag molding||高压袋成型工艺
High pressure injection moulding||高压注射成型，高压注射模塑
High-strength structural adhesives||高强度结构粘合剂
High temperature coating||高温涂层
Hose support||软管支架
Hub assembly||毂组件
Hub bearing||车轮轮毂轴承
Hydraulic device||液压装置
Hydraulic engine||液压发动机
Hydrostatic strength||流体静力强度
IMC(In-Mold Coating)||模具内部涂层
Immersion paint||浸漆
Immersion test||浸渍试验，浸泡试验
Immovable support||固定刀架
Impact analysis||碰撞试验撞击分析
Impact bending||冲击挠曲
Impact specimen||冲击试样
Impegnate||浸渍
Impelling strength||冲击韧性
Injection head||注射头
Injection-moulded composites||注射模塑复合材料
Injection moulded part||注塑制件
Injection nozzle||注射喷口，压注喷口
Intermittent entry||间歇供给，不连续供给
Intermittent failure||间接性故障
Izod test||悬臂冲击试验
Jack||千斤顶，起重器；传动装置
Jack engine||辅助发动机
Jackbit insert||切刀，刀具，刃口
Jacket||护套，套管，保护罩，蒙皮
Jar-proof||防震的
Jaw||钳口；定位销
Jell||胶凝，凝固，固结
Jet milling||喷射研磨
Jig||夹具，定位模具
Jig-adjusted||粗调的
Job program||工作程序
Joining nipple||接合螺管
Joining on butt||对头接合
Joint face of a pattern||分模面
Joint gate||分型面内浇口
Joint packing||填充垫圈，接合填密
Joint sealing material||填缝料
Joint-shaped support||铰接支架
Joint strenght||连接强度
Jump welded tube||对缝焊管，焊接管
Junction bolt||接合螺栓
Junction point||接点