最早的社会工作的专业书籍《家庭诊断》的作者是（） ["马克思","摩尔根","恩格斯","芮齐蒙德"]
中国传统家庭伦理思想的核心是（） ["友","孝","慈","悌"]
钢筋调直机作用为（） ["调直","B．拉伸","C．切断","D．输送","E．消除氧化皮"]
下列不属于结构功能理论的特征的是（） ["强调稳定","强调秩序","强调均衡","强调冲突"]
平杆式柴油锤由（）等组成 ["A．活塞","平杆","C．缸锤","D．顶横梁","E．燃油系统"]
请写出聚酰胺帘子线生产工艺特点？
