常見(jiàn)例句雙語(yǔ)例句These valves feature an eccentrically mounted disk and a PTFE or 316 stainless steel seal ring.這些閥門具有一個(gè)偏心安裝的磁磐和聚四氟乙烯或316不鏽鋼密封環(huán)。They are most commonly made of wood and steel although aluminum and stainless steel seal are sometimes used.他們通常由木頭和鋼制成，雖然鋁和不鏽鋼有時(shí)使用。A stamping machine is an important part of office equipment, but at present it is generally a manual steel seal machine.鋼印機(jī)是辦公設(shè)備中的一個(gè)重要組成部分，在目前實(shí)際應(yīng)用中，一般都採(cǎi)用手動(dòng)鋼印機(jī)。 返回 steel seal