题目内容
（请给出正确答案）
A、标准孔板流量计Standard orifice flowmeter
B、涡轮流量计turbine flowmeter
C、涡街流量计vortex flowmeter
D、气体腰轮流量计gas waist flowmeter
E、气体罗茨流量计gas roots flowmeter
F、超声波流量计ultrasonic flowmeter.
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A、Crosslinking Density
B、Chemical Crosslinking
C、Physical Crosslinking
D、Crosslinking Agent
B．hypoeutectic & hypereutecti
C．peritectic
D．eutectoid
B．“Hi” with a nod,a smile or a weak handshake
C．“Hi” with a nod,a smile or a wave of han
D．“Hi” with a nod and a handshak
E．
A、Nature raw materials
B、Artificial raw materials
C、Pottery materials
D、All of above
A. full tree. long log. short log, chip B. full tree. round log. short log, chip
C. whole tree. long log. short log, sawtimber
B．creation
C．creat
D．creative
A、准确度高（0.5级），能满足天然气贸易交接计量的要求High accuracy (0.5 level), can meet the requirements of natural gas trade handover measurement
B、适用的流量范围大Applicable flow range is large
C、直管段较短，节省占地面积The straight section is shorter, saving the floor space
D、由于气体超声波流量计无移动部件，无压力损失，无磨损，无潜在泄漏，因此维护量小。Because the gas ultrasonic flowmeter has no moving parts, no pressure loss, no wear, no potential leakage, so the maintenance amount is small
A、超声波换能器ultrasonic transducer
B、电子转换线路Electronic switching circuit
C、流量显示累积系统Flow display accumulator system
D、以上都不对
A、清管以提高管道效率Pigging to improve piping efficiency
B、测量和检查管道周向变形，如凹凸变形Measure and inspect pipe circumferential deformation, such as concave and convex deformation
C、从内部检查管道金属的所有损伤，如腐蚀等Inspect all damage to pipe metal from inside, such as corrosion
D、对新建管道在进行严密性试验后，清除积液和杂质。After the tightness test of the new pipeline, remove the accumulated liquid and impurity
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