单项选择题

清漆给予木制品一个光亮的保护涂层。（）

A. Varnish gives a clear protective coat to steelwork.
B. Primer gives a clear protective coat to woodwork.
C. Varnish gives a clear protective coat to woodwork.
D. Primer gives a clear protective coat to metalwork.

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单项选择题

沥青用于污水舱和尖舱。（）

A. Bitumen is used in bilges and peak tanks.
B. Paint is used in bilges and peak tanks.
C. Bitumen is used in bilges and double bottom tanks
.D. Varnish is used in bilges and peak tanks.

单项选择题

最基本的保护层是油漆。（）

A. The principal protective coating is paint.
B. The principal protective coating is cement wash.
C. The principal protective coating is bitumen.
D. The principal protective coating is varnish.