钻芯法检测中芯样试件加工完毕后即可进行抗压强度试验。
参考答案：对
He was fined $5,000 by city regulators for giving money to an inspector, an incident he later described as ______ .
A．extent B．extinction C．extortion D．extravagance
在充分保证机器磨擦零件安全运转的条件下，应优先选择（）的润滑油
A.粘度最大
B.粘度最小
C.比重最大
D.比重最小
