double checker
双重检查
以上为机器翻译结果，长、整句建议使用 人工翻译 。
There are said to be more than 156 kilometers of double track checker plate steel creating drivable roads in the sand and more than 4, 000 hollow steel floating pontoons supporting 18 temporary bridges spanning the Ganga and Yamuna.
FORBES: Why a Harvard Finance Instructor Went to the Kumbh Mela
应用推荐
模块上移
模块下移
不移动