she had to clench her jaw tightly to fight back tears.

1、

he made a demand for an apology with a clench of his fists.

他紧握拳头要求道歉。

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2、

she clenches her fingers around the steering wheel.

她的手指紧紧握着方向盘。

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3、

through adopting protracted tactics, yahoo may force microsoft to rise buy quoted price.

通过采取拖延战术, 雅虎也许能迫使微软提高收购报价.

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4、

they were using delaying tactics at the talks.

他们在交谈时运用拖延战术.

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5、

for a time they adopted delaying tactics.

有一段时期他们采取了拖延战术.

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6、

the results show-milling technology has its peculiar advantages in realizing-speed cutting and ensuring machining quality.

通过车铣加工微细轴试验,从切削速度和加工质量两个主要方面分析了车铣技术在解决微细轴加工中的特点.

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7、

hard, strong metals require a lower cutting speed than soft and ductile materials.

硬度高而强度大的金属要求的切削速度比硬度小而韧性好的材料低.

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8、

floating tapping machine is simple, repetitive positioning accuracy, fast cutting speed, production efficiency is high.

操作简单, 重复定位精确、切削速度快、生产效率高.

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9、

the effects of cutting speed and feedrate are taken into account in milling process control.

得出在高速切削铝合金过程中,随着切削速度的增加,刀具与工件接触区的温度变化存在二次效应.

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10、

when the cutting speed is over 500 metres per second, cutting temperatures decrease rather than increase.

当切削速度超过每秒500米时, 切削温度下降而不是上升.

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11、

at present, the cutting velocity and rate of metal removal have attained to a great height.

在现代切削加工中, 切削速度与金属切除率均已达到了很高水平.

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12、

varied trends of cutting force according to different cutting speed are analyzed.

分析了切削力随切削速度变化的趋势.

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13、

the machined surface texture and roughness of composites reinforced by fiber are closely.

纤维增强复合材料的切削加工表面结构和粗糙度与切削方向密切相关.

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14、

the current experiment methods and its disadvantages of ecotoxicity of cutting fluid has been discussed.

分析了现行的切削液生物毒性的测定方法及弊端.

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15、

the application of nanometer technology in additive and synthesizing organic compounds of rere earth are promising.

将纳米技术应用于切削液,合成新的稀土有机化合物作为切削添加剂等均具有良好的应用前景.

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16、

atwell cutting fluid warmly welcome friends of all circles to come and visit and business.

爱达威尔切削液热诚欢迎各界朋友前来参观、考察、洽谈业务.

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17、

to optimize formula schemes of cutting fluid, a practical method, fuzzy analytic hierarchy process ( fahp ) was given.

为确定切削液配制的最佳配方方案, 给出了一种实用的层次分析法, 即模糊层次分析法 ( FAHP ).

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18、

this paper deals with ceramic cutting tool and nano coatings tool used in dry machining.

干切削加工是在切削加工中不使用切削液的工艺方法.

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19、

test results showed that better voltage-controlled friction performance could be obtained for this aqueous cutting liquid.

结果表明该水基切削液具有较好的电控摩擦性能.

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20、

the results have some reference value for the research of ecotoxicity of cutting fluid.

本研究对切削液的生物毒性检测具有参考价值.

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