灯，小而低置的，是地上的星。
低置防滑踏板和驾驶舱后门出入平台设计周到、安全性高。
There is reasonable design and high security on the low non-slip pedal and the access platform of the back door of the cabin.
结果87例B超追踪检查到结束妊娠，2例低置胎盘，2例边缘性前置胎盘，3例部分性前置胎盘，5例对称的中央性前置胎盘。
Results Among the 87 lying in women traced by B ultrasonography examination, 2 were placenta lower, 2 were marginal placenta previa, 3 were partial placenta previa and 5 were complete placenta previa.
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