Clear water hydraulic model test was done, and the result verifies that the late model automatic water expansioncylinder sluice can start and stop automatically.
Of chromatography module: dedicated chromatography cylinder, closed expansion, expansion agent consumption. The realization of the 12 samples at the same time, chromatographic separation.
层析模块：专用层析缸，密闭展开，展开剂用量少。可实现12个样品同时层析分离。
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Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.