【单选题】
The safe working load of the （）is 100 tons.
A、single derrick
B、derrick
C、heavy derrick
D、deck
查看正确答案A、the load B、safe working load C、safe working D、safe loading work
搜题
更多“The safe working load of the （）is 100 tons.”相关的问题
第5题
A、safe for becoming rounded B、safe for hot work C、not safe for personnel D、not safe for hot work
第8题
A、to provide for safe practices in ship operation and a safe working environment B、to establish safeguards against all identified risks C、to continuously improve safety management skills of personnel, including preparing for emergencies D、all the above
第9题
A、the characteristics，efficiency and limitation of the radar equipment B、any constraints imposed by the radar range scale in use C、the effect on radar detection of the sea state，weather and other sources of interference D、the safe working load of the cranes both on board and ashore
