Officials have skirmished over foreign washing machines and Canadian softwood lumber imports.

官员们在外国洗衣大软木进口问题上发生了冲突。

China has become an important market for Canadian fuels and softwood lumber.

中国已经成了大的燃料软木材的主要市场。

They use books as nets, dining tables as tables, and paper Mache to form a diamond-shaped racket with a handle for playing rubber or softwood balls.

他们以书网， 以餐， 用纸马赫拼成菱形球拍， 带把，用来打橡胶球或软木球。

A softwood window frame provides nearly 400 times as much insulation as a plain steel one of the same thickness and over a thousand times as much as an aluminium equivalent.

软木窗框的绝缘性能几乎是同等厚度的普通钢的400倍，是同等厚度的铝的1000倍以上。