steel seal

基本解釋

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)偏心安裝的磁盤和聚四氟乙烯或316不銹鋼密封環(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，雖然鋁和不銹鋼有時(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，一般都采用手動(dòng)鋼印機(jī)。