Each valve is fitted with 2 pressure test points, red strap indicating upstream (high pressure) and blue strap indicating downstream (low pressure) for differential pressure measurement.
每个阀门配置2个压力测试点，红带表示上游(高压)，蓝带表示下游(低压)，用于压差测量。
This paper explains the image expansion and confusion of the red and blue primary colours caused by the electric charge accumulation on the oil film in the colour TV light valve tube.
本文对油膜光阀管中电荷积累现象引起的图象扩大和红、蓝原色不能正确显示的原因进行了解释。
Improper development of the tricuspid valve prevents oxygen-poor (blue) blood from passing from the right atrium to the right ventricle and on to the lungs as it should.
发育异常的三尖瓣阻碍了贫氧血(兰)由此通过从右心房到右心室再到肺里。
Microscopically, the valve in infective endocarditis demonstrates friable vegetations of fibrin and platelets (pink) mixed with inflammatory cells and bacterial colonies (blue).
显微镜下可见感染性心内膜炎瓣膜覆盖松脆的赘生物，其中有纤维蛋白和血小板（淡红色），并夹杂着炎性细胞和菌落（蓝色）。
Here is a valve with infective endocarditis. The blue bacterial colonies on the lower left are extending into the pink connective tissue of the valve.
感染性心内膜炎瓣膜，左下方的蓝色菌落正向瓣膜的淡红色结缔组织蔓延。
Here is a valve with infective endocarditis. The blue bacterial colonies on the lower left are extending into the pink connective tissue of the valve.
感染性心内膜炎瓣膜，左下方的蓝色菌落正向瓣膜的淡红色结缔组织蔓延。
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