steel seal
常见例句
- These valves feature an eccentrically mounted disk and a PTFE or 316 stainless steel seal ring.
这些阀门具有一个偏心安装的磁盘和聚四氟乙烯或316不锈钢密封环。 - They are most commonly made of wood and steel although aluminum and stainless steel seal are sometimes used.
他们通常由木头和钢制成，虽然铝和不锈钢有时使用。 - A stamping machine is an important part of office equipment, but at present it is generally a manual steel seal machine.
钢印机是办公设备中的一个重要组成部分，在目前实际应用中，一般都采用手动钢印机。 返回 steel seal