This ensures a firm traction and allows the power pack to be parked without tilting, when detached from the chair.
这保证了公司电力牵引，并允许在未包倾斜，从主持会议时脱离停泊。
2
The multifunctional baby carriage has the advantage that the multifunctional baby carriage can serve as a baby rocking chair, also can serve as a baby tilting bed, and is safe and stable.