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来源:雅诚德英语网
Elevator systems—the base, rails, and machine room—can be installed at the factory, eliminating the risk of injury.
电梯系统——包括底座、轨道和机房——可以被安装在工厂里,把受伤的风险降到最小。
Elevator systems—the base, rails, and machine room—can be installed at the factory, eliminating the risk of injury.
电梯系统——包括底座、轨道和机房——可以被安装在工厂里,把受伤的风险降到最小。