Thin wires are _____ to thick wires called cables.

用毛巾沿着金属丝（钢索）摩擦，可以发现金属丝（钢索）断丝。 A: To find damage on wires, rub a cloth along them. B: To make damage on wires apparent, rub a cloth along them. C: To decide damage to wires, rub a cloth along them. D: To detect damage to wires, rub a cloth along them.

The electric wires in a house____with some kind of insulation.

你急需那份文件的话我也许能托托关系。（pull wires

Concrete can be made stronger under tension by adding metal rods, wires, mesh or cables to the composite.( )

After an earthquake, if you see sparks or broken or frayed wires, or if you smell hot insulation, you should look for______.

（） are used for hauling in or letting out the wires which fasten the ship to the shore. A: Cargo winches B: Mooring winches C: Windlasses D: Cargo hatche

What’s the insulation materials between each phasor overhead<br/>lines? () A: air B: insulation cover C: insulation oil D: shield wires

The electrical transmission medium can consist of . A: a pair of wires B: a coaxial cable C: a radio link through free space down D: all of above

If we can get some strong ropes or wires around the sunken boat, we might be able to ________ it up. A: put B: push C: haul D: draw