您要查找的是不是：
- 铬坚牢橙R chrome fast orange R
- 硫化橙R sulfur orange R
- 金莲橙R tropaeolin R
- 铬 chromium
- 赫林顿橙R helindone orange R
- 她说话带着乡下人的轻柔的r音。 She speaks with a soft rural burr.
- 橙 orange
- 镀铬 chromeplate
- R-SBF R-SBF
- R&D资金 research and development fund
- 六价铬 hexavalent chrome
- R&D合作 R&D cooperation
- 重铬酸钾 potassium dichromate
- 空间E-R模型 Spatial E-R model
- 染色固定剂,用于提高皮革染色的湿坚牢度 Fixing agent improving the wet fastness of the leather
- 橙花 orange blossom
- 厚向异性系数r coefficient of normal anisotropy r
- 火车上的座椅套子磨损很大，所以要用坚牢的布料制做。 Seat covers on trains takes a lot of wear and tear so they need to be made from strong material.
- 铬合金 chrome
- 酸橙 lime
