调压柜(落地式)的安全放散管管口距地面的高度不应()4m。 ["大于","小于","等于","大于等于"]
GB/T268康氏残炭测定法中加热强度控制不好会有哪些影响?
中心静脉压的正常值范围是() ["5~10cmH2<\/sub>O","6~15mmHg","10~22mmHg","30~44mmHg","60~80mmHg"]
GB/T268康氏残炭测定法规定喷灯移开后,需待仪器冷却到不见烟才能打开坩埚盖,为什么必须严格遵守?
需输血浆的是() ["脂肪栓塞","老年人、儿童或心、肝、肾功能不全的慢性贫血病人","失血性休克","补充凝血因子和血容量","血管性血友病术前"]
支护参数确定