轴承合金
... box loop 环形天线 box metal 轴承合金,减磨合金 box piston 空心活塞 ...
减磨合金
轴承合金,减磨合金
不管怎样,金属午餐盒都过时了。
The metal lunch box craze lasted until the mid-1980s,when plastic took over.在20世纪80年代中期前,金属午餐盒可谓是大热,后来塑料午餐盒开始风靡。
He put his wiper control in a red metal box that on the outside had the words "For Engineering Tests Only. Do Not Open.".他将刮水控制器放置在一个红色的金属盒子里,上面写道 “工程测试专用,切勿打开。”。