轿门由门机构直接带动,无需自闭能为,但层门应具有()
参考答案:自闭能力
8,8,12,24,60,( )
A.90
B.120
C.180
D.240
汉译英:“保函;信用证;许可证”,正确的翻译为()。
A.letter of credit;letter of guarantee;license
B.letter of guarantee;letter of credit;license
C.letter of guarantee;license;letter of credit
D.license;letter of credit;letter of guarantee