Which of the following statements is correct concerning the viscosity of lubricating oil?（） Viscosity will increase as temperature increases。 Viscosity is a measure of a fluid s internal resistance to flow。 Viscosity will decrease as temperature decreases。 Viscosity is not dependent on temperature。
产液气井必须用（）测压。 压力表。 井下压力计。 液面监测仪。 活塞压力计。
在现代会展的运作过程中，如何建立品牌展会，目前说来主要有一下三种途径：（）、（）、（）。
纯气井通常使用（）在井口直接测量，然后换算成井底压力。 压力表。 压力计。 活塞式压力计。 液面监测仪。
通风空调工程按不同的使用场合和生产工艺要求，大致可分为哪几部分？
The master can refuse to（）in the bill of lading the statements required by the Act if either he has reasonable grounds for suspecting that the information given by the shipper is inaccurate，or he has no reasonable means of checking it.
