回程杆的合适尺寸可以在标准的顶杆范围内选择。

Suitable sizes of push-back pins may be selected from a standard ejector pin range.

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回程杆的合适尺寸可以在标准的顶杆范围内选择。

Suitable sizes of push-back pins may be selected from a standard ejector pin range.

youdao