引入 lead into; draw into; pull-in; lead-in; introduction; call; inlet; introducing; indraught; indraft 把某人引入歧途lead sb. into error; lead sb. onto a wrong path; lead sb. astray; lead sb. off the right path; 引入竞争机制 introduce competition into ..
Laboratory glassware ; gas inlet tubes 实验室玻璃仪器.气体引入管
Glands for cables ; screw bushes 电缆引入管.螺纹套筒
Conduits pipes with sleeve nut and gasket for steel tubes and tubes of copper or copper alloys 钢管和铜或铜合金管用锁紧螺母和密封圈的引入管套筒
And they ca n ' t take into account distributing of crops and water requirement and water content of soil . aiming at the limitations of this irrigation system , a expressions about design flow of pipe networks is set up by the probability methods . a model of stochastic non - linear programming by random irrigating is presented to optimize network of micro - irrigation 论文针对这种灌溉制度的缺点,引入管网流量设计保证率、概率约束等理论,用概率论的方法推求了随机灌水条件下管网设计流量的计算公式,并建立了随机取水条件下微灌系统管网优化设计随机非线性规划数学模型。