耗能型缓冲器在任何情况下行程不应小于() ["0.067V","0.65m","0.42m","0.63m"]
对重的运行区域应采用刚性隔障防护，该隔障从电梯底坑地面上不大于（）m，从地面向上延伸到至少2.50m的高度 ["0.2","0.3","O.4","0.5"]
在确保工人施工安全的前提下，可以选用人工挖孔桩方法，孔径在1200～2000mm;但挖孔深度不宜超过()。 ["15m","20m","25m","30m"]
井道顶的最低部件与轿顶设备的最高部件之间的间距不小于() ["0.3+0.035v2","0.1+0.035v2","1.0+0.035v2","0.5"]
小儿痰湿咳嗽的治法是()小儿阴虚咳嗽的治法是() ["疏风解热，宣肺止咳","燥湿化痰止咳","健脾补肺，益气化痰","养阴润肺，兼清余热","疏风散寒，宣肺止咳"]
小儿风寒咳嗽的首选方是()小儿痰湿咳嗽的首选方是()
