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I-shaped cross section connecting rods are made of carbon steel.
工字型截面连接杆件是由碳制成。
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Crankshaft and connecting rods are new, and made out of very high strength steel.
曲轴，连杆是新的，并提出了非常高强度钢。
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Crankshaft and connecting rods are new, and made out of very high strength steel.
曲轴，连杆是新的，并提出了非常高强度钢。
youdao