【判断题】在水准测量中,仪器必须假设在两个站点连成的直线上。
【单选题】若网络中所有设备均点对点连接,则此网络的拓扑结构属于。( 2017 年高考真题)
【单选题】The word 'discharge' as used in Pollution Prevention Regulations applies to oil _____.
A.
leaked into navigable waters
B.
poured into navigable waters
C.
pumped into navigable waters through a fixed piping system
【单选题】In an oil cooler circulated by sea water, the oil is at a larger pressure, the result being that any leak in the cooler will mean a loss of _____.
【单选题】The three conditions which cause engine shutdown are overspeed,low lube oil pressure,and().
A.
High lube oil pressure
B.
High jacket water pressure
C.
High jacket water temperature
D.
Low jacket water pressure
【单选题】若网络中所有设备均点对点连接,则此网络的拓扑结构属于( )
【单选题】Oil Pollution Regulations require any transfer or discharge of oil or oily mixtures to be recorded in the ____.
【单选题】On my way to school, I saw people _________advertisements and sample products.
【单选题】There was something wrong with the fuel oil high-pressure pipe. 02010272
A.
The fuel oil high-pressure pump was worn out.
B.
The fuel oil supply pump was wrong.
C.
The fuel oil high-pressure pipe was damaged.
D.
The fuel oil booster pump was wrong.