safety bonnet 中文意思是什麼
safety bonnet
解釋
安全罩-
Unitized bonnet / base design, rugged construction and 2 - ring control make the 41a safety relief valve extremely dependable in terms of pop action, seat tightness and repeatability
採用閥蓋/基座結構,堅固耐用,雙環控制,這使得型號41a安全閥在彈起作用、閥座密封和重復性等方面特別穩定可靠。
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