为了确保货物安全和作业方便,货场和库房内要留有必要的作业通道和安全距离。其中,货位与专用线轨道、龙门吊道轨的距离不得小于() ["1.5米","1.2米","0.8米","2米"]
The boom indicator on a crane will indicate the(). ["length of the boom","angle of the boom","lifting capacity of the boom","direction of the boom"]
通讯是比消息更为详尽和形象报道典型人物和客观事物的新闻体裁,以叙述、描述为主,兼以议论、抒情等表达式,具有下列哪些特点()。 ["新闻性","典型性","形象性","完整性"]
实现学校健康教育目标的基本途径是() ["健康教育课","体育活动","体育宣传","卫生保健"]
When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?() ["cold fuel oil","low fuel oil pressure","low atomizing steam pressure","water in the fuel oil"]
简述淀粉上浆应注意的问题。