轴弯曲测量时应将转子轴向窜动限制在()以内。
从保护口腔组织的角度,桥体设计时应避免() ["自洁作用好","龈端与粘膜紧密接触","桥体在满足强度的情况下尽量缩小","适当减少桥体颊舌径","尽量制成瓷龈底"]
新添仪器应由设备处与急诊科共同提出“三定标准”,其内容是() ["定使用寿命","定维护原则","定收费标准","定专人管理","定使用效率"]
后牙固定桥修复时,为减小基牙的负担,下列哪项措施不正确() ["增大桥体龈底与粘膜接触面积","适当加大桥体与固位体间的舌外展隙","降低非功能尖斜度","适当减少桥体颊舌径","避免早接触"]
各类仪器保养要做到五防,五防包括() ["防潮","防震","防热","防腐蚀","防尘"]
点火系统影响发动机起动性能的因素是()