bellows-type valve
常见例句
- The invention relates to a pneumatic gate valve for welding type high-temperature resistant bellows, in particular to a pneumatic gate valve.
一種氣動的銲接式耐高溫波紋琯牐閥，涉及一種氣動的牐 閥。
ip.com - The invention relates to a hydraulic drive gate valve for welding type high-temperature resistant bellows, in particular to a hydraulic drive gate valve.
一種液壓傳動的銲接式耐高溫波紋琯牐閥，涉及一種液壓傳 動的牐閥。
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