Operation of the valve control release on a fixed CO2 system must immediately（）.
1、The operation of the storage,processi
The operation of the storage,processing and assembling of the bonded goods and consignment sales should be approved by and registered（）the Customs.AForBbyCfromDWith
2、Bad valves operation of the reciprocat
Bad valves operation of the reciprocating air compressors can be detected by observation of （）.Athe discharge temperature lowBthe discharge temperature highCthe discharge pressure riseDthe inter-stage pressure low
3、The series of valves used to control t
The series of valves used to control the return flow in well control operations is called the（）.Avalve assemblyBstandpipe manifoldCaccumulator manifoldDchoke manifold
4、The release of the attached ship can（）
The release of the attached ship can（）only by provision of bail，usually a very large sum.Abe securedBbe sincereCbe simulatedDbe signature
5、The operation of （） two alternators re
The operation of （） two alternators requires the voltages to be equal and also in phase.AparallelingBseries-mountingCrunningDcontrol
6、Which of the following operation will
Which of the following operation will have a direct impact on the rate of wear in a cylinder liner （）Aamount of scavenge air to the cylinderBquality of fuel injectedCviscosity of the lube oilDcompression ratio of the pisto