Our company will provide you with free transportation as you requested and charge the installation.（） A: installation with a charge B: in the installation C: freely installation D: installation in charge

. Which of the following is true'? A: . a compulsory VHF-DSC radiotelephone installation must be daily tested without radiation. B: a compulsory VHF-DSC radiotelephone installation must be annually tested without radiation C: a compulsory VHF-DSC radiotelephone installation must be monthly tested without radiation. D: a compulsory VHF-DSC radiotelephone installation must be weeklv tested without radiation.

Before installation, the first is the detection of the components.

We are responsible for the installation and repair of the(equip)_______

___ is committed to installation, operation and maintenance of the communication infrastructures.

They had (installation) ____________ a new phone line in their apartmen

The customer failed to make the installation according to the manual.

Landscapr architects need not to supervise the installation of their design.

安装完部件后，拆掉装卸工具。 A: Remove the handling tool after the installation of the component. B: Remove the handling tool subsequent to the installation of the component.

We are responsible for the installation and repair of the ______. A: equiped B: equipment