How to remove dental calculus and odontolith?

It can also be used in desalter, evaporator, heating and cooling facilities and water pipeline.

也可用于造水机 、 蒸发器 、 加热设备、冷却设备和供水管路,以清除水垢和水锈.

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At present, the method to remove scale is mainly divided into: chemical methods and physical methods.

目前, 国内清除水垢的方法主要分为: 化学方法和物理方法.

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This causes the salt to drop out of solution, with net effect being a harden scale.

无机碱盐水溶液的饱和点通常随着温度和浓度的升高而降低,这将造成皂化剂中盐的析出,形成坚固的水垢.

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Water scales the boiler.

水使锅炉生水垢.

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Flush dirt and scale from supply pipe.

从供应管道内冲刷污垢和水垢.

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Mineral deposits water spots , alumina, silica, soap scum, oxides , scale, rust.

金属沉淀物, 水垢,矾土, 硅石, 肥皂泡, 氧化物, 锈迹.

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Unlike metal, plastics never rust, scale , or pit-they virtually last forever.

与金属不同, 塑料不会生锈 、 生水垢或凹陷,实际上塑料使用寿命更长.

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PROPERTIES : With axial resin canals. bark: Black, coarse and scaly when trees young.

具轴向树脂沟. 树皮>黑色 ﹐ 粗糙﹐鳞片状一幼龄木.

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Almost fully crossed scales plus some golden head features.

几乎过背的鳞片及若干的金头特征.

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Plastics, rubber, clay, glass steel, glass flake lining works.

塑料 、 橡胶 、 胶泥 、 玻璃钢 、 玻璃鳞片衬里工程.

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We remove the scale by a process called pickle.

我们用一道叫做酸洗的工序来除去鳞片.

英汉 - 翻译样例 - 口语

Being one half step lower than the corresponding natural key.

比相应的正常调低半个音阶的.

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He introduced 12-note music instead of the old scale of eight notes.

他用12个音符代替旧的8个音符音阶.

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Different effects are created when music is based on other scales.

作品若是以另外一些音阶为基础,出来的效果就不一样.

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He played some basic scalar patterns on his guitar.

他在自己的吉他上弹了几个音阶.

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I've had it up to here with the sound ofbad scales.

无聊的音阶声已使我受够了这儿.

电影对白

Reducing the scale may be considered to be part of transforming geographic coordinates plane coordinates.

另外,还原地图比例尺也可以被认为是坐标变换过程的一部分.

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By the 19 th century a 1-12 ratio had become the norm, and dollhouses had evolvedsintoschildren's toys.

在19世纪时,1比12的比例尺成为标准, 玩具屋也进而变成了小朋友的玩具.

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A scanning image vectorization system was developed in combination of characteristic of big scale scanning map.

结合大比例尺扫描地形图的特点,研制了扫描图矢量化系统.

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Drawings be scaled, stated, or calculated are to be followed.

所绘的图(图纸或素描)不许测量 、 定位或计算.比例尺(尺度, 维度)要在后面标明.

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