barrier method屏障: protective screen法: law屏障: protective screen; parclose; [非] scherm 燕山是北京的天然屏障。 the yanshan hills provide a natural defence for beijing保持故障法: hold over; hold-over隔离故障法: method of isolating trouble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:屏障法，即可在微信中查询翻译
