Flanking rudders effect a vessel’s heading because of the(). ["effect of the propeller flow on the rudders","water flow due to the vessel's movement through the water","tunnel affect of the water flow past opposing rudders","discharge current being channeled to impinge on the vessel's deadwood"]
制约良种生产的因素有()、()、()和()。
《安全生产工作规定》对在岗生产人员的培训有何要求?
项目质量的好坏是由于()确定的 ["检查的次数,检查的次数越多,质量越好","项目经理","原材料,原材料好,质量就好,否则,反之","项目质量计划"]
在ATM装填钞时,对于前加钞方式的ATM,要注意()。 ["清空加钞区间的客户,放下闸门或做好其他防护措施后方可加钞","在监控环境下实施双人加钞","清空加钞区间的客户,在监控环境下实施双人加钞","清空加钞区间的客户,放下闸门或做好其他防护措施后,在监控环境下实施双人加钞"]
基肥的施用方法有()、()和()三种。