單項(xiàng)選擇題

Chemical burns are caused by the skin coming in contact with（）.

A.acids or alkalies
B.diesel oil
C.acids, but not alkalies
D.alkalies, but not acids

你可能感興趣的試題

單項(xiàng)選擇題

Compared to internal structural plating. The exterior hull plating on a vessel is usually（）.

A.stronger
B.thinner
C.more corrosion resistant
D.a lower grade steel

單項(xiàng)選擇題

Connentrated heavy loads are involved in loading a lash vessel. What does not require close attention due to such loads while working cargo?（）.

A.GM-available and required
B.Longitudinal stress numberal
C.Tons per inch immersion numeral
D.Draft

感谢您访问我们的网站，您可能还对以下资源感兴趣：

精品伊人久久大香线蕉男人的天堂

国产午夜精品福利久久无遮挡h纯内动漫在线观看国产偷窥盗摄网站国产亚洲精品无码颜射老妇