Horizontal and vertical installation along the wall, along the shaft installation, along the ground installation.

沿墙水平和垂直安装、沿竖井安装、沿地面安装。

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The installation of pig receiver &launcher is divided into above ground installation and underground installation.

收发球筒安装分地面安装及地下安装两种形式。

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Simple in-ground installation requires no major excavation and provides quick and easy access for battery replacement when required.

简单的地下安装不需要很深的挖掘，当需要替换电池时可提供快速简易的访问。

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First of all, the helicopter is actually anchored to the ground during installation, so the spool must be engineered properly to avoid any significant tension in the line or the helicopter will be in jeopardy, especially in unstable weather conditions.

FORBES: Startup Aims To Install Pipelines With Helicopters...Seriously!

Positioned on open ground between two Finnish lakes, these geometric structures will have the overall appearance of a stark minimalist installation rather than conventional buildings.

ECONOMIST: Building design