- 相关词组
- precious metal chemical complex贵金属化合物
- precise alloy精密合金
- precision welding machine精密焊机
- precision electrical resistance alloy精密电阻合金
- prefabricated welding mould预制焊模
- precious metal powder贵金属粉
- precision laser welding machine精密激光焊接机
- preformed asphalt joint filler预制沥青嵌缝条
- precautions before welding焊接前的预防措施
- preformed joint filler预塑式嵌缝板;预制填缝料
- precision welding精密焊接
- prefilmed alloy预生氧化膜的合金
- precious alloy精密[贵金属]合金
- precipitation hardened alloy脱溶硬化合金
- precision metal精密合金
- precision metal film resistor精密金属膜电阻器
- precious metal watch bracket贵重金属表带
- precious metal deposit贵金属矿床
- prefabricated welding mold预制焊模
- precious metal fund贵金属基金
- 今日热词
- 热门搜索
- everything has changed 一切都变了
- lengthen vt.& vi.延长;伸长;
- sleep vi.睡，睡觉;睡眠状态;vt.为…提供床位;提供住宿;以睡觉打发日子;
- chimney n.烟囱;狭孔;
- big cock 大公鸡
- help v.帮助，促进;搀扶;为…取用;n.帮助;有用;有益的人/物;救助;
- topic n.话题;
- geometry n.几何学;几何形状;几何图形;几何学著作;
- birth n.出生;诞生;分娩;创始;起源;出身;门第
- has been 已经;
- ability n.能力，资格;能耐，才能;
- TPO 时间;热塑性弹性体;程序升温氧化法;聚烯烃类热塑性弹性体;托福模考软件
