舵机应能在驾驶室操纵和机旁应急手动操纵。
The steering gear shall be controlled from the wheelhouse or emergency control by hand near the steering gear.
应用人类工程学的理论，对绞盘机司机手动操纵力、脚踏操纵力的合理数值进行了分析；并根据在林区的实际测试数据，计算分析出绞盘机司机耳旁噪声的安全限值。
This paper uses the principles of ergonomics to study the operating force of both hands and feet needed by a winch operator as well as tolerable safe noise levels.
应用人类工程学的理论，对绞盘机司机手动操纵力、脚踏操纵力的合理数值进行了分析；并根据在林区的实际测试数据，计算分析出绞盘机司机耳旁噪声的安全限值。
This paper uses the principles of ergonomics to study the operating force of both hands and feet needed by a winch operator as well as tolerable safe noise levels.
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