Gate valves with screwed cover的意思|示意
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英 / /
带螺纹盖的闸阀
Gate valves with screwed cover的网络常见释义
螺纹状闸阀 ... Gate valves, oval body 闸阀 椭圆体 Gate valves with screwed cover 螺纹状闸阀 Gauge glasses 玻璃液位表 ...