以石材为载体的装饰图案更易保存长久,因此它更适用于尺度巨大,具有纪念意义的装饰作品,装饰于严肃、正式、公共的场所与空间中。
查看答案
“Stand by an engine” means
A. “prepare to stop the engine”
B. “assemble an engine on its bedplate”
C. “make an engine ready for starting”
D. “make an engine run steadily”
The purpose of engine stand-by is that __________.
A. the main engine in the stand-by condition
B. auxiliary machinery in the stand-by condition
C. dynamical equipment in the stand-by condition could be used immediately
D. A and B
We should not start the engine unless turning gear is __________.
A. on
B. disengaged
C. bolted
D. unscrewed
Before “standby” is rung on the engine telegraph, it is usual to give the main engine __________ ahead and astern.
A. a brief trial with turning gear
B. a brief trial on power
C. a long trial by steering gear
D. a long trial on air
微信支付 
支付宝支付