He pointed at me with the stem of his pipe.
他用他的烟斗柄指着我。
Valves should be installed in the (stem) vertical position with the pipe flow horizontal only. For installations other than this, please consult factory when ordering.
阀门应该只能安装在水平流向的管线上，其阀杆应该垂直向上。如果需要其它方式的安装，请在订购阀门时咨询工厂。
Deeper bury is available by special order from the distributor or by customer providing longer ductile pipe and longer stem rod.
通过向经销商特别定制或由用户自行提供更长的球墨铸铁管和更长的阀杆，可以实现更深的掩埋。
Globe pattern check valves should be used in horizontal pipe runs with the stem straight up.
截止阀结构的止回阀应该用于水平管道，阀杆垂直朝上。
Gate valve are normally installed in horizontal pipe runs with the stem vertical.
闸阀通常安装在水平管道上，阀杆垂直向上。
Gate valves are normally installed in horizontal pipe runs with the stem vertical.
通常安装在水平管道上，阀杆垂直向上。
A new type screw stem welder with capacitance stored energy welding, being high efficiency and used to the production for the pipe with stems outside is introduced.
介绍了为适应钉头管生产而开发研制的新型高效电容储能螺柱焊机。
The utility model relates to a combined flaw detection transporting device for a drill stem or a pipe joint, particularly a curved combined flaw detection transporting device.
本实用新型涉及钻杆或导管接头的探伤检验组合输送装置，尤其涉及曲线式探伤检验组合输送装置。
Valve is usually installed in horizontal pipe, the stem vertically upward.
闸阀通常安装在水平管道上，阀杆垂直朝上。
Check the operating condition of electric draw stem and electricity parts. Check the electric hydraulic parts and pipe joints.
定期检查电动推杆及电气部分的运行情况，电液部分的运行情况及管接头处是否有泄漏现象。
The longer the single drill pipe, the lesser the critical compressive force of drill stem.
钻杆的单根长度越长，钻柱所能承受的临界载荷越小。
The research indicated that the critical compressive force of drill stem in horizontal well is closely related with the length of single drill pipe in use.
研究表明，水平井眼中钻柱所能承受的临界载荷和所使用钻杆的单根长度有密切关系。
The research indicated that the critical compressive force of drill stem in horizontal well is closely related with the length of single drill pipe in use.
研究表明，水平井眼中钻柱所能承受的临界载荷和所使用钻杆的单根长度有密切关系。
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