在进行政策宣传时,需要遵循以下原则() ["个性化原则","强制性","适时原则","说服原则"]
甲板结构中的横梁的作用是什么?
在问卷调查中,提问方式基本有()类型。 ["一种","两种","三种","四种"]
The light vessel is reported(). ["to be destroyed","to be demolished","to be ruined","to be spoiled"]
工商所市场监督检查的对象是管辖范围内属于工商部门监管的所有市场主体,包括() ["A.各类企业","B.个体工商户","C.农民专业合作组织","D.无照经营"]
如何建立、实施质量安全管理体系?