基本解释[能源科學技術]關閉塞英汉例句雙語例句The unique ram-style plug & seat provide reliable, tight shut off. All HST valves are covered by a 36 month prorated warranty.獨特的柱塞式設計,小巧、方便,所有止流閥均有36個月的保脩期。www.e-gtm.com.cnshut-off plug更多例句专业释义能源科學技術關閉塞