【判断题】水准测量是由A点到B点方向,则规定A为后视点,其标尺读数a称为后视读数;B为前视点,其标尺读数b称为前视读数。
【单选题】The main factor which determines the output of each cylinder is ______.
【单选题】The rate of cylinder lubricating oil metered to each cylinder of a large low-speed main propulsion diesel engine is _____.
A.
the same, whether at sea, or during maneuvering
B.
adjusted during each hour of operation while at constant RPM
C.
higher at sea than while maneuvering
D.
lower at sea than while maneuvering
【单选题】在G43 G01 Z15.0 H04 F300.0语句中,H04表示()。
【单选题】It is very important that each cylinder should be _____ scavenged before the charged air is compressed.
【判断题】容器中当介质工作温度超过15°C时,压力容器的设计温度取介质的最高温度。
【单选题】Cylinder lubrication oil for low speed main propulsion diesel engines is admitted to each cylinder during _____.
B.
the compression stroke
C.
low load operation only