Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
吊车轨道的材料由于其含碳量较高， 强度大， 可焊性较差， 焊接时容易产生裂纹， 因此要严格按照工艺执行。
Carbon fiber is a new-style material with high strength, high modulus and good conductive ability.
碳纤维是一种新型的高强度、高模量材料，具有良好的导电能力。
Carbon fiber is a new type building material which is widely used for its light quality, well corrosion proof, sheet material and high tensile strength.
碳纤维是一种新型建材，因其质轻、耐腐蚀、片材很薄、抗拉强度高而被广泛应用。
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