更多"A large metallic device，mounted dir"的相关试题:
[多项选择]设R（Pi）表示进程Pi执行时必须读变量的语句集合，W（Pi）表示Pi执行时必须写变量的语句集合。现在有P1和P2两个进程，若要这两个进程并发，必须满足（）
A. R（P1）与W（P2）的交集为空
B. W（P1）与W（P2）的交集为空
C. R（P1）与R（P2）的交集为空
D. W（P1）与R（P2）的交集为空
[单项选择]You should frequently compare drum-mounted and remote-reading water level indicators（） between these have contributed to failures because of overheating through shortage of water, when a boiler was being oil-fired.
A. descriptions
B. discrepancies
C. different
D. deflections
[判断题]使用语句Const pi来定义一个符号常量，pi可以在这条语句之后进行赋值。
[单项选择]The NAVTEX receiver can be mounted on（）.
A. on the bridge
B. in the coast station
C. on the forecastle
D. on starboard side
[单项选择]The crane is usually mounted on a pedestal to offer adequate （） to the operator.
A. time
B. space
C. length
D. visibility
[单项选择]On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.
A. the camshaft
B. the flange
C. the ridge
D. the bulge
[单项选择]Some cranes are mounted in pairs on a common platform which can be rotated through（）.
A. 360°
B. 270°
C. 180°
D. 90°
[单项选择]已知pi=3.1415926，执行ROUND（pi，4）的结果为（）。
A. 3.1415
B. 3.1416
C. 3.14162
D. 3.000
[简答题]写出PI调节器的传递函数，并画出实现PI调节规律的电原理图
[简答题]PI-9508与PI-9508A有何区别，并说明互备阀的启动条件？
[单项选择]已知pi=3.1415926，执行？ROUND（pi，3）的结果为（）。
A. 3.141
B. 3.142
C. 3.140
D. 3.000
[单项选择]The（） of the telemotor is mounted on the steering gear.
A. transmitter
B. receiver
C. pipes
D. charging unit
[单项选择]On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）
A. cooling jacket
B. cylinder liner
C. piston crown
D. cylinder cover
[单项选择]（） is made of a boss with separated blades mounted into it.
A. A variable pitch propeller
B. A variable pitch nut
C. A fixed pitch parallel
D. A fixed pitch screw
[单项选择]（） are mounted in pairs to protect the boiler against overpressure.
A. Safety valves
B. Water tubes
C. Steam stop valves
D. Blow down valves
[单项选择]A-frames are mounted on the bed plate and support （） and cylinder block.
A. the main bearing
B. the cylinder cover
C. the entablature
D. the sump
[简答题]PI-1102突然下降，而PI1102A上升FIC-1102显示量不足，分析原因，如何处理。
