当前位置:登高架设作业操作证题库>高处作业安全知识题库

问题:

[填空题] 使用脚扣上杆前,先将脚扣卡在电杆距地面约()mm处,一脚悬起,一脚用力蹬踏,确保稳固后方可使用。

Two days is not enough for him to finish the work. He needs()day. ["other","the other","the third","a third"] 埋设地锚时,必须由()负责检查埋设的地锚,如发现问题及时处理 摄像头的主要传感部件是() ["DCB","CCD","OSD","BNC"] The red flower goes from one to()in the class. ["the other","others","another","other"] 下列哪些商品属于易霉易腐商品() ["食品","皮革","工艺美术品","化学纤维制品"] 使用脚扣上杆前,先将脚扣卡在电杆距地面约()mm处,一脚悬起,一脚用力蹬踏,确保稳固后方可使用。
参考答案:

  参考解析

本题暂无解析

在线 客服