高压抗燃油系统的工作温度一般最好控制在()以下 ["85℃","75℃","65℃","55℃"]
喷砂法清理隔板时,压缩空气的压力一般应为()MPa ["0.2~0.3","0.3~0.4","0.4~0.6","0.6~0.8"]
挑檐防护栏杆应高出屋檐1.5m。()
阀门填料压盖、填料室与阀杆的间隙要适当,一般为()mm ["0.2~0.3","0.1~0.3","0.1~0.2","0.05~0.1"]
合像水平仪丝杆螺距为1mm,旋钮的刻度盘等分100格,故该水平仪的刻度分划值为每格()mm ["0.1","0.01","0.001","1"]
在前箱大盖起吊过程当中,要有(),四角要(),发现问题应立即()。