They had no other option but to clean the tunnel but only the parts Alexandre had already cleaned.
他们别无选择，只能清理隧道，但只清理亚历山大已经“清理”过的部分隧道。
They clean the subway cars every evening, because you know there is a lot of dirt and greens that have been picked up in the tunnel, I think we have to use a hot water system to get rid-off that.
他们每晚都要清洗地铁。因为在隧道中地铁会粘上很多灰尘和落叶，所以我们要用热水系统进行清理。
The machine also has ultrasonic waves device to clean the belt set and have temperature-inspecting mouth, tunnel cleaning mouth. It meets the requirement of GMP.
本机还配有超声波清洗网带装置 订货时定 ，并留有温度验证口及隧道清洁口。
The machine also has ultrasonic waves device to clean the belt set and have temperature-inspecting mouth, tunnel cleaning mouth. It meets the requirement of GMP.
本机还配有超声波清洗网带装置 订货时定 ，并留有温度验证口及隧道清洁口。
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