<samp id="myi1x"><tbody id="myi1x"><dl id="myi1x"></dl></tbody></samp>

<tr id="myi1x"><sup id="myi1x"></sup></tr>

<samp id="myi1x"><listing id="myi1x"></listing></samp>

單項選擇題

Our jumbo boom can（）20 tons.

A.lift
B.rise
C.elevate
D.hoist

你可能感興趣的試題

單項選擇題

On which type davit does the davit head stay at the same height?（）

A.Radial
B.Sheath-screw
C.Quadrantal
D.Gravity

單項選擇題

On what type of pump would you find an impeller?（）

A.Centrifugal
B.Gear
C.Piston
D.Vane