1、
If it were not, the main thread could become blocked trying to write to the pipe.
如果没有进行缓冲处理，主线程在尝试写到管道时就会阻塞。
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2、
3、
The screw thread is arranged at the water inlet pipe, drainpipe and the water outlet pipe.
进水管 、 排水管、出水管上均设有螺纹.
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4、
Hexagon socket pipe plugs w. conical thread, steel, steel and brass, small box or bulk package.
六角管插头插座瓦特锥螺纹, 不锈钢, 合金钢和黄铜, 小方块或批量封装.
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5、
管道的选择, 测量, 切割, 扩孔和刻螺纹; 安装喷嘴以支撑管道系统.
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