石英砂的比重为()。
参考答案:2.3~2.6
超声止血刀工作时的组织温度和热传递范围分别小于:().
A.80℃,2mm
B.90℃,1mm
C.70℃,2mm
D.80℃,1mm
I feel sure that _____ qualification, ability and experience, you are suited to the position we have in mind. [ ]
A. on account of
B. in terms of
C. on the basis of
D. in the light of