This paper presents the construction and the material selection of two kinds of the u.

本章对两种美国高压三柱塞泵的结构和材料选用作了介绍。

youdao

In all cases the material selection has a direct influence on the blade manufacturing processes.

不论何种情况，材料的选择都会对叶片的制造工艺流程产生直接影响。

youdao

The material selection and airflow measurement of the standard constant flow orifice were described.

同时还对标准恒流孔的材料选择及流量测量进行了论述。

youdao

Recent studies show that there is substantial standing genetic variation in natural populations of planktonic organisms, which provides the raw material for natural selection.

UNESCO: THEMES

Dr Lyall said the rigorous nomination and selection process identified material that had been instrumental in shaping our nation.

UNESCO: Communication et information

Lower turbines should, together with clever design and material selection, help reduce the turbines' weight, and thus their need for ballast, which in turn should reduce sub-sea costs.

BBC: Floating challenge for offshore wind turbine