...中段 有效圈闭 古构造 断层破碎带 控制因素 [gap=669]Keywords】: middle part of western Sichuan depression; effective trap; Paleostructure; fault and shatter belt; control factor ..
In 132 head of steam trap testing done shows that 42% of the traps have been effective.
在对蒸汽主管的132只疏水阀所做的检验表明，42%的疏水阀已实效。
2
The steel wire trap is a kind of simple and effective collection device for diesel engine particulate emission.
钢丝纤维捕集器是一种简单、有效的柴油机尾气颗粒排放收集装置。
3
The attractive activity of this attractant to M. alternates was similar with prototype attractant and the effective attractive radius and trap ratio was 70 m and 43.8% in forest, respectively.