活門瓣 的英文怎麼說
中文拼音 [huóménbàn]
活門瓣
英文
valve flaps-
Butterfly shape petal fracture analysis of aup leading gas valve on boeing 777 plane
引氣活門蝶形瓣片斷裂分析Before any flange bolts are tightened, valves should be centered within the flanges and then carefully opened to assure free, unobstructed disc movement
在緊固閥門螺栓之前,閥門應該處於法蘭之間的中心位置,然後小心打開,以確保閥瓣能夠靈活、無障礙的運動。
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