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。

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.

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粗壮的管道从天花板上突出来，前屋的窗户外不过是另一堵灰色的隧道墙壁。

Thick pipes protrude from the ceiling, and a window in the front room opens onto nowhere, just another gray tunnel wall beyond it.

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试压前要先封好盲板，认真检查管路是否连接正确，有无管内堵死现象。

Seal the blind plate and check carefully whether the pipeline is correctly connected and block phenomenon in the pipe before pressure test.

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