rail joint filling compound轨: rail; track缝: seam填料: filling; packing; stuffing; ...勾缝填料: jointing medium麻丝缝填料: hemp packing下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:轨缝填料，即可在微信中查询翻译
