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American Huixin straight teeth casting ladle, brake inside the gear box, hard make and difficult to maintain; it's nut gear of the hand wheel, with three radial direction space accumulate, difficult to ensure accuracy; while circular motion, it's shaft direction moving, gear have friction slidding, easy agglutination.

美国回信的直齿浇包，制动器在齿轮箱里面，难制作难维修；他的手轮轴上的螺母齿轮，有三处径向间隙累加，难保证精度；在园周运动的同时，有轴向移动，齿轮有摩擦滑动，易胶合。

The public, especially in low-income people is very difficult to buy a house, the public housing consumption does not start up, real estate, it is difficult to achieve a virtuous circle.

市民，尤其是在低收入的人是很难买房子，市民住房消费没有启动，房地产，这是很难实现良性循环。

However, the right ventricule has a crescentric shape, with a separate infundibulum and prominent trabeculations, it is difficult to describe the right ventricule by a simple geometric figure and therefore, difficult to assess its function in a conventional two-dimensional echocardiography.

另 卜，肺动脉高压（Pulmon叼 hypertension，PH）是左向右分流型CHD如ASD常见的并发症之一，PH的存在与否及其严重程度与先心病治疗决策、手术疗效及临床预后密切相关，但先心病合并肺动脉高压的发病机理仍不清楚，尚待进一步研究和探讨。

Adverse food reactions are more difficult to treat as it can be difficult to isolate the precise ingredient responsible for causing itchiness in your dog.

不良食物的反应是更加难以治疗，因为它可能难以孤立的确切成分，负责造成itchiness在你的宠物狗。

One difficulty settings there are three menu items, namely a low degree of difficulty, difficult and difficult to provide the whereabouts of different speed keyboard up and down arrow keys to control the box about the whereabouts of the position and shape.

其中难度设置中有三个菜单项，分别为低难度、中难度和高难度，提供不同的下落速度；键盘的上下左右方向键控制方块的下落位置和形状。

In addition,to find the matchable marrow and hematopoietic stem cell is also quite difficult,therefore ,the majority of acute leukemia patients difficult to obtain good treatment.

此外，为了找到匹配的骨髓和造血干细胞，也是相当困难，因此，大多数的急性早幼粒细胞白血病患者难以得到良好的治疗。ok！

A large sum of money 一大笔钱 In addition,to find the matchable marrow and hematopoietic stem cell is also quite difficult,therefore ,the majority of acute leukemia patients difficult to obtain good treatment.

此外，为了找到匹配的骨髓和造血干细胞，也是相当困难，因此，大多数的急性早幼粒细胞白血病患者难以得到良好的治疗。ok！

It is so pervasive a dimension that it is difficult to objectify in spatial terms and difficult to consider apart from oneself.

作为一个虚无缥缈的维度，很难在空间的范畴内使它具象化也很难脱开它进行思考。

Consequently, the dige products were difficult to permeate through the dialysis bmembrane, which meant that high cross-linked starches we difficult to be digested.

因此， dige产品难以贯穿透析bmembrane ，这意味着高交联淀粉，我们很难加以消化。

Some people said that, the personhood is difficult, to be the celebrity to be more difficult.

有人说，做人难，做名人更难。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。