thread indicator 中文意思是什麼
thread indicator
解釋
螺距儀-
Viz. sbwz246pw g230 300150 0100 means integral temperature transmitter, pt100, 24vdc, 420ma, power - output is two - wire, no integral indicator indicator, water - proof joint box, fixed screw thread, tube diameter is 16 total length is 300mm, insert depth is 150mm, measuring range is 0100
裝非隔離型防爆標志為exdbt4 ,則型號為: sbwr256ty g25dd 1000850 2001600保護管材料鋼玉管,固定螺紋m121
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