大又大又粗又硬又爽少妇毛片,国产亚洲熟妇在线视频,日日碰狠狠躁久久躁综合网,欧美成人无码A片免费一区澳门

德國(guó)量子水文公司 Quantum Hydrometrie ?
德國(guó)量子水文公司（Quantum）。Quantum為中國(guó)水利、水文、供水、排水、引水、灌溉等行業(yè)的客戶提供世界一流的超聲波時(shí)差法流量自動(dòng)監(jiān)測(cè)系統(tǒng)。
Quantum Hydrometrie was founded in 1994 by a group of people associated? with the University of Technology Berlin. Since then, Quantum Hydrometrie has grown? quickly and established itself within Europe and abroad as a successful company.

The Quantum product family has become the standard instrumentation used today
by hydrologists to improve their knowledge of water flow in rivers, open channels,
pressurized pipes, partially filled conduits, estuaries, waterways, irrigation and
drainage systems, and sewage water systems.

More than 600 utrasonic meqasurement systems installed in Germany and its European neighbours,
Lesotho, North Africa and China are documenting our customer's satisfaction.

?