high-output large-bore engine 大功率大缸径发动机
large-bore hose 大口径胶管
large bore tube 大口径管
large bore hose 大口径胶管
large bore machine gun 大口径机枪
large bore pipe 大口径管道
large-bore shaft 大断面井筒
The residues of organic phosphorus pesticide were determined by large bore capillary gas chromatograph in 167 samples of 14 kinds of vegetables in Xi an region.
用大口径毛细管气相色谱法跟踪监测了西安地区夏秋两季14种蔬菜167个样品中有机磷农药残留量。
In this paper, root samples of winter wheat and spring maize under intercropping were taken with large-bore soil auger, and the dynamics of their spatiotemporal distribution were studied.
采用大口径土钻对间作种植模式下冬小麦与春玉米根系进行取样，分析了两种作物根系的空间分布及动态变化规律。
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