The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.

一种止血纤维的组成，包括有聚乙烯醇、明胶、枫香叶提取物及盐酸黄连素。

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A portable and rotary type ultrasonic drilling machine is developed and designed for drilling of carbon fibre composition components.

为碳纤维复合材料构件的钻孔，研制出一种便携式旋转超声钻。

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The composition difference between optical fibre plate HMB and CMB was studied.

研究了HMB和CMB两种光学纤维面板的成分差异。

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The exact chemical composition of a fibre's glass determines how transparent it is to different frequencies, and also its tendency to disperse those frequencies even when it is transparent.

ECONOMIST: Optical communications