Out on the museum floor, behind construction barriers, a beautifully lifelike leopard seal was being carefully hung from the ceiling with the help of a mechanical lift.
在一堵结构墙后，利用起重机的帮助，一只栩栩如生的豹海豹正在从天花板上被小心翼翼的吊到地板上。
2
By setting up mechanical sand barriers on degenerated Haloxylon ammodendron woodland, the roughness of woodland increased; the wind speed an.
布设机械沙障可使退化梭梭林地表粗糙度增大，林内近地面层风速、输沙量显著下降。
3
The use of mechanical dictionaries to overcome the barriers of language was first suggested in the 17th century.