grate opening篦条: grid section炉篦条: fire grate bar篦条间距: clearance between bars条间隙: interspace水平移动炉篦条: horizontal travelling grate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:炉篦条间隙,即可在微信中查询翻译