... 可变孔比例混合器：variable orifice proportioner 可变孔：variable orifice 可变风向：variable wind direction ...
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可变孔径 [机] variable aperture
可变孔比例混合器 variable orifice proportioner
可变孔板 variable orifice
可变孔口式水果分级机 variable hole fruit grader
可变孔口计 variable orifice meter
可变孔流量控制器 variable orifice flow controller
可变孔径变焦距镜头 variable aperture zoom lens
远场可变孔径法 Variable Aperture Method in the far field
可变辅助空气孔 variable auxiliary air bleed ; VAAB
从测树学中对树干形状的描述出发，选择经典的孔兹干曲线式推导出可变参数的削度方程，理论依据可靠。
From the study of tree trunks described in Forest mensuration, the classic curve-derived were chosen to deduct the taper equation of variable parameters, which is reliable in theoretical basis.
分析了可逆式孔板流量计和可变式孔板流量计的设计原理和实验结果。
The design element and the experiment result of reversible orifices and changing orifices low velocity flow is high.
据此研制了一种可变注浆孔内压力的新型注浆器。
Based on this, a new type of hole's grout pressure variable grout injector has been developed.
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