由...制成的

The seal element of scroll tooth which is made of lubricative material and wearable board in the bottom of scrolls.

在涡旋齿端面开设密封槽内加由自润滑材料制成的密封条，同时在涡旋盘底平面加耐磨片，它们不但可以阻止泄漏，而且降低了涡旋齿与涡盘底部摩擦功率损失，在此提出了它们的设计方法。

Vegemite is made from leftover brewers' yeast extract, a by-product of beer manufacture, and various vegetable and spice additives. The taste is difficult to describe but is extremely salty and slightly bitter, and as might be expected, malty.

Vegemite是从由酿酒酵母提取物（一种生产啤酒时产生的副产品）以及各种蔬菜和调味品制成的，味道很难形容，非常咸，有点儿苦，还有些酒味。

Calc phos is made from the mineral salt found in bone and teeth.

磷酸钙是由骨头和牙齿中的矿物质盐制成的。

The steel reinforcement can be simulated in cementing a strip of ordinary photoelastic material along the crack edge.

沿着裂缝的边缘粘接由普通光弹性材料制成的窄条，即可模拟钢筋。

Zhejiang University, Hangzhou 310027Unique optical properties of the simple lens composed of left-handed material are reasonedly studied here according to Geometrical Optics.

利用几何光学方法研究了由左手性介质制成的简单透镜的光学特性。

But these are not analogous to what happens when man ages A run-down watch is still a watch and can be rewound.

表永远不会修复自身——它不是由有生命的部件组成，而是用金属制成的，金属会因磨擦而损耗。

The satined stainless steel structure supports a top made from multiple modular ceramic elements on composite panels in aluminium and polyethylene.

磨砂不锈钢结构支撑着由多模块陶瓷元素与铝和聚乙烯制成的混合面板共同构成的桌面。

Yeast extracts made from baker's, brewer's or torula yeast have now become key elements in the development of most savory flavor systems.

由面包酵母、啤酒酵母或圆酵母制成的酵母抽提物现已成为大多数调味品开发系统中的关键因子。

Incense deriving its aroma primarily from essential oils is usually cheaper than that made from unextracted raw materials.

这种香气来源于香精油的香通常要比那些由非萃取物原料制成的香便宜。

In the corner of our living room sits an old wooden rocking chair.The chair is made of solid maple,varnished and trimmed in gold.

在客厅的角落里放着一把旧摇椅，它是由坚固的枫木制成，喷上了清漆，装饰上了金边。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。