單項(xiàng)選擇題

The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.

A.filter
B.hole
C.pollution
D.content

你可能感興趣的試題

單項(xiàng)選擇題

The internal part of boiler should be cleaned by yard if found （）.

A.scaled
B.worn
C.deformed
D.rested

單項(xiàng)選擇題

At normal sea going, we use （） instead of donkey boiler.

A.a heater
B.a pre-heater
C.an exhaust gas boiler
D.the coal burning boiler

感谢您访问我们的网站，您可能还对以下资源感兴趣：

国产黄色视屏

视频一区二区无码制服师生国产三级香港三级人妇国产码一区二区在线观看国产伦精品一区二区三区免费观看