PASSIM烟条切割系统由刀头传动齿轮箱、()、自动进刀机构、刃磨装置、喇叭嘴装置等组成。
交接箱和箱体两侧应留有()宽的操作空间。 ["50-100mm","100-150mm","100-200mm","100-300mm"]
无缝钢管φ59×4.5,其公称直径为()。 ["59mm","54.5mm","50mm","4.5mm"]
小同轴大综合电缆芯线接续时需要排列()。 ["1排","2排","3排","4排"]
轴重25t的重载货车在空车位时,主管压力为500kPa,每辆铸铁闸瓦的换算压力为()。 ["120kN","130kN","140kN","150kN"]
简述玉米螟综合防治措施。