施测二等水准测量时,测站基辅分划读数差的限差为()。
A、0.1mm
B、0.2mm
C、0.3mm
D、0.4mm
参考答案:D
The Chinese government, was reported yesterday, will develop a beautiful rural environment farmers can live a happy life.
A.as; where
B.which; how
C.what; whose
D.as; that
小儿喉痉挛较易发生于()
A.麻醉诱导过程中
B.麻醉清醒后
C.口咽分泌物多时
D.清除口咽分泌物时
E.气管拔管时