rubber duck是什么意思

用法例句

Mechanical properties of modified wollastonite filled in rubber;

超细改性硅灰石/橡胶硫化胶片力学性能研究

Investigation on Elastomer Compatibility with an Alternative fuel Gas-to-Liquid;

代用燃料GTL与橡胶材料的相容性

The PDM′s conventional bushing is a screw surface,it is a variable-thickness elastomer stator.

目前,常规螺杆钻具衬套的内表面是螺旋曲面,橡胶衬套厚薄不均,衬套抗变形能力低,单级承压小,泄漏沿程长,机械特性软,热膨胀不均、磨损速度快,故导致效率持续降低。

The effects of biodiesel and diesel on mass, dimension and appearance of elastomers, metals and plastics are comparatively investigated after 28-day immersion.

研究了多种橡胶、金属和塑料在3种生物柴油中浸泡28天后的质量、尺寸及外观变化,并与0号柴油的结果进行对比。

The Establishment and the Optimization of AFLP System for Hevea brasiliensis;

橡胶树AFLP银染体系的建立和优化

A Preliminary Study on Allelopathy of Areca catechu L.and Hevea brasiliensis;

槟榔、橡胶化感作用的初步研究

Study of Blue Stain Fungi in Hevea brasiliensis and Pinus marssoniana Wood as well as the characteris tics of Ceratocystis sensu lato in the fungi;

橡胶、松树木材变色菌研究及对其中之长喙壳属菌的特性研究