With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.
与柱塞泵、单螺杆泵及齿轮泵不同的是，单螺杆泵可用于药剂填充和计量。
2
The method of dynamical measurement which was applied to analysis of pile driving is extended to test and measurement on the stiffness and strength of vertical joints between diaphragm walls.
将用于桩基检测的动测法，推广应用于地下连续墙纵向接缝刚性和强度的测试。
3
Electromagnetic diaphragm metering pump is a type of metering pump, metering pump is a measurement by the special volume of fluid delivery pump.