<strong id="jilxt"><sup id="jilxt"></sup></strong>

<strong id="jilxt"><sup id="jilxt"></sup></strong>

<samp id="jilxt"><listing id="jilxt"><var id="jilxt"></var></listing></samp>

<video id="jilxt"><sup id="jilxt"></sup></video>

單項(xiàng)選擇題

Top piston rings are plasma coatedIt gives added safety for the of new lines（）

A.running-in
B.running-out
C.running on
D.running down

你可能感興趣的試題

單項(xiàng)選擇題

For auxiliary engines the permissible overload is （） for one hour every twelve hours.

A.10%
B.15%
C.20%
D.25%

單項(xiàng)選擇題

The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers（）

A.dozens
B.parcels
C.bundles
D.gallons

<strong id="qouty"><sup id="qouty"></sup></strong>

<li id="qouty"></li>

<th id="qouty"><sup id="qouty"><dl id="qouty"></dl></sup></th><source id="qouty"><th id="qouty"></th></source>