摘要:Titanium is a chemical element with the symbol Ti and atomic number 22. TitaniumSometimes called the[阅读全文:]
摘要:A turn-key or a turn-key project is a type of project that is constructed by a developer and sold or[阅读全文:]
摘要:Types of Coal Coal has differing physical and chemical characteristics, which vary depending upon whe[阅读全文:]
摘要:Steam coal, also known as thermal coal, is the world's most abundant fossil fuel and is found in man[阅读全文:]
摘要:TonneA tonne (t) or metric ton (U.S.), also referred to as a metric tonne, is a measurement of mass e[阅读全文:]
摘要:Tungsten (pronounced /ˈtʌŋstən/), also known as wolfram (/ˈwʊlfrəm[阅读全文:]
摘要:Tin Tin is a chemical element with the symbol Sn (Latin: Stannum) and atomic number 50. It is a main[阅读全文:]
摘要:T-beamA T-beam, used in construction, is a load-bearing structure of reinforced concrete, wood or met[阅读全文:]
摘要:Tool steelTool steel refers to a variety of carbon and alloy steels that are particularly well-suited[阅读全文:]
