Hydraulic drawing-core mechanism was adopted for two-side of inner-sinking in the die casting die, and pre-resetting mechanism was set to avoid the interference of core slide with ejector pin.

压铸件内凹处两侧采用液压抽芯机构抽芯，为防止滑块型芯与推杆发生干涉而设置了预复位机构；

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It has taught me not only to hold an arabesque but to maintain an inner grace -- drawing on a psychological or spiritual core, a place of honesty and strength.

CNN: The hobby that helped me take flight