该工具包包含一个标准尺寸的水桶，可以直接连接水管，自动灌满。
The kit includes an industrial-sized bucket and is designed to be connected to your water main for automatic filling.
这个标准涵盖塑料美国锥管螺纹(NPT)的尺寸和计量方法，用于泄漏密封连接，现在已在所有有关塑料管道产品的ASTM标准中引用。
The standard covers dimensions and gaging of plastic tapered National Pipe Threads (NPT) for leak-tight joints, and it is now referenced in all ASTM Standards for plastic piping products.
标准尺寸的孔与气动执行机构连接。中间为一伸出体外的方身，直接与气动执行机构内八角相连。
Hole of nominal size connects with pneumatic operation organ, Threr is a square body protruding out which directly connects with the internal octagon of pneumatic operation organ.
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