Artificial snow may also be used in carrying out safety checks on ______.

admin2014-12-30 69

问题 Artificial snow may also be used in carrying out safety checks on ______.

选项

答案aircraft

解析 .. .the tests that aircraft must undergo...

转载请注明原文地址:https://www.kaotiyun.com/show/uRNO777K

雅思阅读

相关试题推荐

随机试题

最新回复(0)