只能采用具有四圈以上的美国国家软管(NH)螺纹的、通过认证的软管水龙头或软管连接件。
Use only with approved hose bibbs or hose fittings having four or more full American National hose (NH) threads.
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.
只能采用具有四圈以上的美国国家软管螺纹的、通过认证的软管水龙头或软管连接件。
Use only with approved hose bibbs or hose fittings having four or more full American National hose threads.
标准B2.4 -这个标准控制美国尼必可软管连接螺丝螺纹。
A. N. s. I. standard b2.4-this standard controls NIBCO hose coupling screw threads.
螺纹瓶盖迄今尚未对法国形成重大影响，在美国的影响力也极为有限。即便螺纹瓶盖是19世纪末在纽约发明的，但塑料瓶塞在美国的使用更加广泛。
The screwcap has yet to make a serious impact in France and hardly any in the us, where plastic corks are much more popular, even though the screwcap was invented in New York in the late 19th century.
螺纹瓶盖迄今尚未对法国形成重大影响，在美国的影响力也极为有限。即便螺纹瓶盖是19世纪末在纽约发明的，但塑料瓶塞在美国的使用更加广泛。
The screwcap has yet to make a serious impact in France and hardly any in the us, where plastic corks are much more popular, even though the screwcap was invented in New York in the late 19th century.
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