Analysis of the formation conditions for etching Al film of electrolytic capacitors. 电容器铝箔交流腐蚀过程中腐蚀膜形成条件分析。
After analyzing some internal conditions of this overconstrained mechanism, a new class of overconstrained mechanisms was constructed. 通过对该四回路过约束机构的过约束条件分析，构造了一类新的平面过约束机构。
