fixing collar 中文意思是什麼
fixing collar
解釋
加固圈-
Connecting sockets with pipe flange and fixing collar, for steel tubes, nominal pressure 10
公稱壓力為10的鋼管用帶管法蘭和固定環的連接套管 -
Flanged bulkhead pieces with fixing collar, for steel tubes, nominal pressure 10
公稱壓力為10的鋼管用帶固定套環的法蘭管悶頭
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