属于电网功率损耗组成部分的是（）。 ["线路损耗","变压器损耗","电流通过电阻产生的损耗","生产单位的自用电"]
燃气涡轮发动机的进气道一般分为（）两种类型. ["冲压式进气道和反作用式进气道","亚音速进气道和超音速进气道","离心式进气道和轴流式进气道","单级进气道和多级进气道"]
分离水含氨不能大于（）%。 ["0.06","0.08","0.1","0.6"]
燃气涡轮发动机布来顿循环叫做（）. ["等容加热循环","等温加热循环","等质量加热循环","等压加热循环"]
半桥互补桥路适合于下面哪一种试验的测试（） ["结构或构件的单向应力","结构或构件的反对称应力","结构或构件的组合应力","结构或构件的对称应力"]
肉的解冻
