ZD6-A165/250型电动转辙机动作杆副销的抗剪切力为()。 ["29420N±1961N","49033N±3266N",">88254N","88420N±1961N"]
ZD6-A165/250型电动转辙机动作杆主销的抗剪切力为()。 ["29420N±1961N","49033N±3266N",">88254N","88420N±1961N"]
卸水泥或卸速凝剂时要轻拿轻放,以防溅起物对()造成伤害。 ["鼻子","眼睛","手"]
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