Its extra heavy duty bearings are designed to maximize its operational life.
其额外的重型轴承的设计最大限度地发挥它的运行寿命。
Along this line 20,000-ton coal trains can reach a length of over 7 km pulled by powerful electric locomotives over an extra heavy duty track and driving down operating costs.
大秦线上运行的两万吨运煤列车长度可达7公里，由大功率电力机车牵引，大大降低了运营成本。
Objective To summarize the cure experience of 1500 case extra-heavy duty, heavy duty craniocerebral injury patients.
目的：总结1500例特重型、重型颅脑伤病人的救治体会。
Constructed from heavy duty reinforced nylon the Titan SUB covers provide extra protection during transportation and storage.
从重型建造增强尼龙覆盖的土卫六分期间提供运输和储存额外的保护。
Constructed from heavy duty reinforced nylon the Titan SUB covers provide extra protection during transportation and storage.
从重型建造增强尼龙覆盖的土卫六分期间提供运输和储存额外的保护。
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