15HP风冷式冷水机使用方便，主要是针对塑料成型、注塑、挤塑、机械切削加工、铸造等行业 , 精心设计开发的新一代低温冷冻设备 . 其低温可到 -30 ℃ ， 制冷效果佳、规格齐全。 封闭系统节约水资源。 选用高可靠性、长寿命的优质压缩机。 根据温度精度要求 ...

近日，全球最快高铁列CR450动车组样车正式亮相，测试时速450公里，运营时速400公里，将成为世界最快高铁列车组。并且在运行能耗、车内噪声、制动距离等主要指标领先国际。未来，距离CR450商业运营还有多远？它又会最先运行在哪条高铁线路上？中国高铁今后 ...

12月29日，北京，国家铁道试验中心。 环形试验轨道上，两列时速400公里的CR450动车组列车首次亮相，标志着由国铁集团牵头实施的CR450科技创新工程取得重大突破。 高铁，我国自主创新的成功范例，再一次实现新跨越，书写更快的“中国速度”。 据国铁集团 ...

新华社北京12月29日电题：时速400公里！全球最快高铁列车亮相 新华社记者樊曦、王聿昊 12月29日，北京，国家铁道试验中心。 环形试验轨道上，两列时速400公里的CR450动车组列车首次亮相，标志着由国铁集团牵头实施的CR450科技创新工程取得重大突破。

更安全——制动距离更短、运行稳定性更优，在运营速度提升的情况下，制动距离与时速350公里动车组基本相当 更节能——整车运行阻力降低22%，减 ...

National Park officials urged caution after a toddler nearly fell off a 400-foot cliff while the family visited erupting volcano Kīlauea. After a three-month pause the Kilauea Volcano in Hawaii ...

The Chinese-owned Italian motorcycle manufacturer made headlines at EICMA last month where it unveiled the all-new Leoncini Bobber 400. This will be the brand’s new entry-level model going forward.

ALPHARETTA, Ga. — All lanes have reopened on Georgia 400 southbound following a crash with serious injuries on Friday, according to the Alpharetta Department of Public Safety. The crash happened ...

More than 400 train passengers avoided harm on Christmas Eve after a driver jumped from the cab, leaving the train unmanned, the company says. French national railway company SCNF told PEOPLE in a ...

According to the Federation of Nepal Gold and Silver Dealers' Association, fine gold is now being traded at Rs 150,700 per tola, up from Rs 150,300 per tola on Thursday. Similarly, the price of ...

More than 400 passengers travelling by train near Paris have narrowly avoided disaster after their driver jumped from the locomotive, travelling at high-speed, to his death. Within seconds, however, ...