spring steel Shutter的意思|示意
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弹簧钢卷帘
spring steel Shutter的网络常见释义
弹簧钢活门 ... 虹吸活门 SUCTION VALVE 弹簧钢活门 spring steel Shutter ; Steel Shutter 活门酌 valve action ; valve action,valve action ...
spring steel Shutter相关短语
1、 spring-steel shutter 弹簧钢活门