双金属锯条； 高速钢锯条；
In this paper, aiming at the mechanics in the plastic forming process of bi-metal composite pipes, the finite-element analysis is introduced.
针对机械复合管塑性成型过程中的力学问题进行了有限元模拟研究，建立了模拟双金属复合管塑性成型的参数化有限元力学模型。
Because bi metal element in miniature circuit breaker is easily affected by ambient temperature change, the protective characteristic of overload will be changed with ambient temperature change.
由于小型断路器的双金属元件易受环境温度变化的影响，其脱扣特性也将随之改变。
It was also shown that activity of tri metal catalyst was higher than that of bi metal one, and selectivity of Cu ni Cr catalyst was higher than that of nickel catalyst.
结果表明，三元金属催化剂的活性高于二元金属催化剂，选择性高于单元金属催化剂。
In this paper, a bi-mass model of metal V-belt type CVT system is established, and its dynamic characteristics have been studied in both theory and experiment.
本文建立了无级变速传动系统的双质量模型，从理论和试验两方面研究了金属带式无级变速传动系统的动态特性。
The test research to optimize processing parameters had been carried out systemically for Bi roughing of certain multi-metal ore containing Bi, Zn and Fe.
对某铋锌铁多金属矿的铋粗选工艺进行了系统的参数优化试验研究。
The invention relates to a hair dyeing method starting from a composition comprising at least one ortho-diphenol, one metal salt, hydrogen peroxide, (bi)carbonate and a basifying agent.
本发明涉及由包含至少一种邻-联苯酚、一种金属盐、过氧化氢、碳酸（氢）盐和碱化剂的组合物出发进行染发的方法。
The invention relates to a hair dyeing method starting from a composition comprising at least one ortho-diphenol, one metal salt, hydrogen peroxide, (bi)carbonate and a basifying agent.
本发明涉及由包含至少一种邻-联苯酚、一种金属盐、过氧化氢、碳酸（氢）盐和碱化剂的组合物出发进行染发的方法。
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