A mile more of rusty pine needles brilliant with gaudy fungus and molted feathers.接下来的一里路，地上铺着锈朽的松针，点缀着艳丽的菇子和鸟类换掉的羽毛。Aril rusty and polish when ripe.假种皮红色,熟时有光泽.A thin curl of smoke rose from a rusty stove.生锈的炉子里冒出一缕青烟。I...
We spent years travelling around in a rusty old van.我们多年来都开着一辆生锈的旧货车四处旅行。A thin curl of smoke rose from a rusty stove.生锈的炉子里冒出一缕青烟。To keep warm they burnt wood in a rusty oil barrel.他们在一只生锈的油桶里烧木柴来保暖。...
Trial producing a austempering ductile iron of oblique wedge to replace steel.试制一种新型的奥氏体──贝氏体球铁斜楔,代替原来的铸钢件.The techniques of austempering and the factors of affect properties of ADI were introduced.本文概述了ADI的 等温淬火工艺和影响ADI...