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发表于 2025-3-19 04:38:30 | 显示全部楼层 |阅读模式
For pure gas, pipelines are constructed of carbon steel and vary in dimension from 2 to 60 inches (51 to 1,524 mm) in diameter, relying on the type of pipeline. Thus, SS Nice Western (1,340 GRT) and SS Great Jap (18,915 GRT) were constructed in 1838 and 1858 respectively. SS Nice Britain 1845 Preserved (Museum) Bristol, UK First iron-hulled ocean liner; now a museum. The report set by SS Great Japanese was not overwhelmed until 43 years later in 1901 when RMS Celtic (20,904 GT) was accomplished. At the start of the 20th century, Cunard Line's RMS Lusitania and RMS Mauretania reached a pace of 27 knots. Since their beginning within the nineteenth century, ocean liners wanted to fulfill growing calls for. Until the start of the twentieth century, they didn't always have bedsheets and meals. The tonnage then grew profoundly: the primary liners to have a tonnage that exceeded 20,000 have been the massive 4 of the White Star Line. The rudimentary steam boilers gave rise to extra elaborate machineries and the paddlewheel gradually disappeared, replaced first by one screw then by two screws. There were many British shipping firms; two were significantly distinguished: Cunard Line and White Star Line.
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