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- Female national pipe thread inlet connection and male national pipe thread outlet connection 美国国家标准管道内螺纹进口连接和美国国家标准管道外螺纹出口连接
- A 3/4" NPT pipe thread has an outside diameter - OD - of 1.050 inches. 例如：一个标准为3/4"NPT的管外部直径为1.;050英寸。
- That pipe thread is bad. Use another one instead. 那个钻杆的丝扣坏了,换另外一根。
- The two most common taper pipe threads used in the United States are NPT and NPTF. NPT和NPTF螺纹是两种美国最常用的锥管螺纹。
- A high capacity valve that can be tank wall-mounted. Inlet side has a machined flange and is female NPT pipe threaded for inlet connection. 这种高性能阀门可以安装在罐壁上。进口端有一个机加工法兰和管道内螺纹,用于进口连接。
- Drill pipe threads are not cleaned in that way. 钻杆丝扣不是那样清洗的。
- Schroeder SKB's are available with pipe thread connections s ranging from 1 to 3 inches. 施罗德SKB的管螺纹连接s不等，从1至3英寸。
- Each team may be comprised of a maximum of five (5) smokers, whose names will be notified by the president of the national pipe club. 各国国家代表队，最多由五（5）人组成，成员名单由该国国家烟斗俱乐部会长通报。
- Aeronautical National Taper Pipe Thread 航空用国定锥形管螺纹
- Due to the existence of electric submersible pump Kau, so connected in the pipe thread Department has set up anti-down block. 因电潜泵存在倒扣问题，所以在管螺纹联接处设置了防倒块。
- Only persons over the age of 18 and members of pipesmoking clubs affiliated to the national pipe club, member of the CIPC, can take part in the competition. 所有参赛者，必须年满18周岁，并为隶属CIPC（国际烟斗俱乐部委员会）成员国之烟斗俱乐部成员。
- Apply pipe dope sparingly on pipe threads, never on valve threads. 在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。
- Needle valves have NPS / internal pipe threaded ends. 针形阀配置NPS内管螺纹连接端口。
- Tapered pipe threads produce radial stress in female fittings. 锥管螺纹在内螺纹内会产生径向应力。
- If pipe dope is used, apply sparingly on pipe threads, neveron valve threads. 在管道螺纹上只能少量使用管道粘接剂，但是在阀门螺纹上绝对不能使用管道粘接剂。
- If the drill pipe threads become rusty, rust will have to be cleaned. 如果钻杆丝扣生锈,必须清除掉。
- Specifes basic thread form, taper, and tolerances of general purpose tapered pipe threads (metal). 规范通用锥管螺纹（金属）的基本螺纹形式，锥度，以及公差。
- Our newspaper is a national newspaper. 我们的报纸是全国性的报纸。
- The national debts of that country are rolling up. 那个国家的国债在不断地增加。
- Talking abaut pipe thread and its application 谈谈管螺纹及其应用
