检验卧式镗床床身导轨在垂直平面内的平行度时,应在工作台面上与床身导轨平行放一水平仪。
参考答案:错
The Internet gives people the chance to have the information they look forward ____ to them quickly and cheaply.
A.to deliver
B.deliver
C.to delivering
D.to delivered
某公司今年与上年相比,销售收入增长10%,净利润增长8%,平均资产总额增加12%,平均负债总额增加9%。可以判断,该公司净资产收益率比上年下降了。( )