roller seat滚子: running pulley座: seat; place子座: stroma滚子: running pulley◇滚子泵 roller pump; 滚子链(条) roller chain; 滚子凸轮 roller cam; 滚子轴承 roller bearing假子座: pseudostrome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:滚子座，即可在微信中查询翻译
