吊钩产生游摆的原因有斜吊,运行机构突然()、制动,物体或设备吊装方法不当等原因。
参考答案:启动
. You can’t see things clearly through a telescope unless it is ________ correctly to your sight.
A.treated
B.adopted
C.adjusted
D.reminded
喉罩LMA插入失败率为()
A.2%
B.3%
C.4%
D.5%
E.10%