The U. S. bacterial limit is no more than 500 colony-forming units of bacteria per millilitre of water.
美国的细菌限制标准是毫升的水中不含有超过500菌落的细菌。
Shear strength of the locking member is increased by specially forming the recess-engaging portion of the U-shaped packing.
剪切强度锁定成员特别是增加了形成休会，进行部分的U形包装。
Now scientists say there's another system forming in the Pacific that's much larger and could have dramatic impact on U. s. weather for several years.
现在，科学家们还有另一个系统形成太平洋的更大，并可能产生重大影响的美国天气有好几年了。
Forming the L /U type heat exchanger.
散热器L型、U型管排成型设备。
A series of flexible U sections, changed in its sections, was separately simulated and analyzed by edger roll forming and flat roll forming.
基于中厚板无切边轧制法中立轧轧边变形的物理模拟，分析了平辊立轧与倒棱轧制对中厚板断面形状的影响。
A description has been given to new process and important points of structure design of pre-forming die for precision forging U. S. A type of octagonal hammer with a practical die presented.
介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点。
A description has been given to new process and important points of structure design of pre-forming die for precision forging U. S. A type of octagonal hammer with a practical die presented.
介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点。
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