决定油缸活塞运动速度的主要因素是()。 ["压力","流量","压力和流量","负载"]
汽油储罐应选用()。 ["拱顶罐","浮顶罐","卧式罐","地下罐"]
下列筹资方式不会导致实际利率高于名义利率的有() ["收款法","贴现法","周转信贷协定","补偿性余额"]
汽油的扫线应最好先用()。 ["水","氮气","蒸汽","风"]
SGMW企业N111车型高怠速时的排放标准为() ["CO≤0.48%、HC≤99ppm","CO≤0.5%、HC≤100ppm","CO≤0.29%、HC≤99ppm","CO≤0.8%、HC≤150ppm"]
GPS地面监控系统包括()主控站、()注入站和()监测站。