iron-gray

His iron gray hair was precisely parted and in place.

他铁灰色的头发在正当中分开,梳得整整齐齐.

The subject considers the representative gray cast iron pipe as the studying objects, and controlling water quality stability as the research objectives.

本文以管网中具有代表性的铸铁管为研究对象，以控制水质稳定性为研究目标，系统深入地研究了不同水质变化对管网中铁释放的影响。

Based on the temperature recovery method, a new model is presented to handle the latent heat release of gray cast iron during the solidification process of both primary solidification and the eutectic solidification stages.

基于潜热处理的温度回升法，针对灰铸铁凝固过程中具有初晶和共晶两个阶段的凝固特性，提出了适合灰铸铁的带共晶的潜热处理方法。

Discussion on Thermal Aging of Gray Iron Castings

关于灰铸铁热时效的讨论

The Test and Investigation on the Tension-compression Fatigue Strength of Gray Cast Iron

灰铸铁拉压疲劳极限的试验研究

His shirt and trousers were as red as a butcher's and even the end of his iron-gray beard was matted with blood.

他的衬衫和裤子都像屠宰衣似的红透了，甚至那铁灰色的胡子尖儿也沾满了血。

Thefinite element method was developed to simulate 3-dimensional thermo-elastic-plastic transient stress development in gray iron castings.

建立了灰铸铁件三维非稳态热弹塑性应力场的有限元方法.

A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.

介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。

A fine, portly, middle-aged gentleman with iron-gray hair;

一位文雅、肥胖、满头铁灰色头发的中年绅士；

Site Welding Repair of Gear Cast Iron Gray for Shears

剪板机灰口铸铁齿轮断齿现场焊接修复

Certainly at first glance the formation of iron gray and sullen blue looked very much as if a new mountain had thrust up from the ground.

在第一眼看见那铁灰和暗蓝色的结构时确实很像一座新的山脉从地面上升起。

It is suitable for semi-finishing machining of soft steel, gray cast iron Al alloy andAl alloy.

适用于低碳钢 、 灰口铸铁、铝合金、硅铝合金的半精加工.

A toothless old man came ambling up to them, pointing, with a rather wicked grin, at an old rowboat bobbing in the iron-gray water below them.

一个没牙的老头蹒跚地向他们走过来，脸上邪邪地笑着，手指向了漂浮在铁青色的海水之上的一艘旧船。