For other bronze ball valves, vented balls may be available - see catalog specification sheets to identify what valves are available or consult factory.
对于其他青铜球阀，可能可以采用通风球-请参阅样本的规格说明，指定所适用的阀门型号或咨询工厂。
The sleigh flies back to the North Pole for more presents. Santa's toy factory is very busy. There are robots, dolls, balls and teddies.
雪橇飞回北极去拿更多的礼物。圣诞老人的玩具工厂非常的忙碌。那里都是机器人，娃娃和泰迪熊。
Thee sleigh flies back to the North Pole for more presents. Santa's toy factory is very busy. There are robots, dolls, balls and teddies.
雪橇飞回北极去拿更多的礼物。圣诞老人的玩具工厂非常的忙碌。那里都是机器人，娃娃和泰迪熊。
Pingxiang Huangguan chemical Co,. LTD. is a high and new tech specialized factory major in chemical industry packing, the alumina balls, the chemical industry products of environmental protection.
萍乡市黄冠化工有限公司是一家专业生产化工填料、氧化铝球、环保化工制品的高新技术企业。
Pingxiang Huangguan chemical Co,. LTD. is a high and new tech specialized factory major in chemical industry packing, the alumina balls, the chemical industry products of environmental protection.
萍乡市黄冠化工有限公司是一家专业生产化工填料、氧化铝球、环保化工制品的高新技术企业。
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