單項選擇題

Those generally used additives for cooling water are either anti-corrosion oils or inorganic（）.

A.gases
B.paints
C.inhibitors
D.detergent

你可能感興趣的試題

單項選擇題

This used piston had been tested and approved as a spare part by the （） during last annual repair.

A.agent
B.shipchandler
C.surveyor
D.engineer

單項選擇題

They understand the （） of automatic sludge discharging of the purifierBut they are not good in practice.

A.principle
B.principal
C.cause
D.case

<b id="dvdnb"><span id="dvdnb"><acronym id="dvdnb"></acronym></span></b>

<samp id="dvdnb"><dfn id="dvdnb"></dfn></samp><b id="dvdnb"></b>

<samp id="dvdnb"><del id="dvdnb"><optgroup id="dvdnb"></optgroup></del></samp>

<dl id="dvdnb"><meter id="dvdnb"><kbd id="dvdnb"></kbd></meter></dl>

<samp id="dvdnb"></samp>