用哑数据(常是零或空白)充一个数据块。
在执行工作之前，确保检测管道连接以及是否液路中是否有零件的损坏，因为液路在充压过程中将会有高压产生。
Make sure to check the pipe connections and whether or not any hydraulic circuit parts are damaged before performing work, as the hydraulic circuits become highly pressurized during air bleeding.
圆锥形零件是曲面类零件拉深成形中较为典型的零件之一，对其充液成形的研究具有实际意义。
Since conical part is one of the typical curved parts in sheet metal drawing, research on it has actual significance.
在试制铝合金半固态压铸汽车零件过程中，引入计算机模拟技术用于充型过程的预测与缺陷的预防，实现了充型工艺系统的优化设计。
Computer simulation was employed to optimize filling system to predict filling process and prevent the defects for al alloy automotive parts in semi-solid die casting.
在试制铝合金半固态压铸汽车零件过程中，引入计算机模拟技术用于充型过程的预测与缺陷的预防，实现了充型工艺系统的优化设计。
Computer simulation was employed to optimize filling system to predict filling process and prevent the defects for al alloy automotive parts in semi-solid die casting.
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