hazard threshold危险: dangerous; perilous; risk; p ...阀: established house or power g ...值: price; value阀值: fe threshold; threshold level; thresholdlevel保险阀: easing valve; escape valve; lock valve; relief valve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:危险阀值,即可在微信中查询翻译