管節法蘭 的英文怎麼說
中文拼音 [guǎnjiéfǎlán]
管節法蘭
英文
union flange-
Flanged wall valves, at right angles, for controlling gas appliances, with tapered rotating section, for built - in brass piping and with g 1 2 connection
煤氣控制裝置.裝配式黃銅管路和連接管節的錐形轉動截面帶法蘭直角壁閥
分享友人