The safety shear pins consist of three Grade 5 (70 ksi shear strength) 3/16 inch diameter machine screws which connect at a threaded aluminum coupler.
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美
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安全剪切銷(xiāo)構成三五年級( 70 ksi抗剪強度) 3 / 16英寸直徑機螺釘連接在一個(gè)線(xiàn)程鋁耦合。This is illustrated in Figure 5.;這是說(shuō)明了在圖5 。
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国内精品美女A∨在线播放xuan