有临床意义的体重下降是
A.10%B.15%C.5%D.20%E.25%
参考答案:A
解析: 体重下降是营养不良的重要指标,体重下降10%即有临床意义。
---- Can I borrow your car?
---- Sorry. My car __________ at the garage.
is being repaired B. is repaired C. will be repaired D. has been repaired
如果压滤机液压系统油液不足会出现()情况。
A、振动和噪声
B、流量不足
C、滤液量少