elliptical vessel
... elliptical type weight ==> 椭圆形测深重锤,铅鱼 elliptical vessel ==> 椭圆形容器 elliptical vibration ==> 椭圆振动 ...
基于8个网页-相关网页
卧式椭圆形封头容器 horizontal type elliptical head vessel
立式椭圆形封头容器 vertical vessel with elliptical head
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