塑料试管 meaning in Chinese

plastic test tube

Specification for dimensions of test tubes made of glass or plastics for radioactivity measurements
放射性测量用玻璃或塑料试管尺寸规范
The mold cavity number is used to group plastic cuvettes at production time ; this helps to ensure the lowest cuvette - to - cuvette variation in extinction coefficient
在生产过程中，通过铸模型腔的数量用来对塑料试管进行分类。这对于确定试管间的最低消光系数很有帮助。