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宸ヤ綔閽㈢灞傦紝鏍規(guī)嵁璁捐鍜屽鎴風(fēng)殑瑕佹眰涓�鑸�夌敤鏃犵紳綆?/span>(GB8163-87)铻烘棆鐒婄(GB9711-88;SY/T5038-92)鍜岀洿緙濈剨綆?/span>(GB3092-93)銆傞挗綆¤〃闈㈢粡榪囧厛榪涚殑鎶涗父闄ら攬宸ヨ壓澶勭悊鍚庯紝閽㈢闄ら攬絳夌駭鍙揪GB8923-1988鏍囧噯涓殑Sa2綰э紝琛ㄩ潰綺楃硻搴﹀彲杈?/span>GB6060.5-88鏍囧噯涓?/span>R=12.5寰背銆?/span>
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