校验仪的力矩校验模式应该选用() ["peak","1peak","track","pulse"]
The chief officer()told the stevedores to stow the cargo lot by lot. ["plainly","playfully","absolutely","completely"]
运输合理化的有效措施不包括() ["提高运输工具实载率","采取增加动力投入、增加运输能力的有效措施","发展社会化的运输体系","尽量发展直达运输"]
在工作者与机构和团体的关系中,下列表述正确的是() ["工作者是机构派驻团体的领导者","工作者是团体在机构中的监督者","工作者是机构的代表","工作者与团体和机构都无隶属关系"]
水泥胶砂试件强度试验,如何计算其抗压抗折的强度值的?
新拌混凝土中常用的外加剂有哪些类型?他们各起什么作用?