iron pipe

基本解释

On his back was a sack of acorn. In his hand was a four-foot length of iron pipe.
他背着一大袋橡子，手里拿着一根4英尺长的铁管。
My Grandpa used to carry an "Alley Oop" hammer, a heavy iron pipe with a big hunk of lead melted on the end.
爷爷以前经常扛着一个大铁锤，铁管上铸着大铅坨的那种。
According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.
按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。