常見例句雙語例句Safety relief valves shall be labeled for relief pressure rating.安全減壓閥要有標(biāo)示，標(biāo)明壓力釋放級(jí)別。They come equipped with safety relief valves and rupture discs to protect the cylinders from pressure build-up.它們配備有減壓閥和破裂磐，以保護(hù)鋼瓶，防止壓力積累。www.airproducts.com.cnProvide a safety relief valve on any part of a system where liquid can be trapped between closed valves in lines or vessels.這些部分一般在琯道或容器的關(guān)閉的閥門之間。gzvatech.cn 返回 safety relief valve