qz

QZ company is an enterprise being mainly engaged in the Fettling and Trimming Equipments products.

QZ公司是一家生产清理设备为主的企业.

Objective : To investigate antitussive, antispasmodic, expectorant and antiinflammatory effects of Qinrezhike granules ( QZ ) through pharmacodynamic experiments.

目的: 通过药效学试验,观察清热止咳颗粒的镇咳 、 解 痉 、 祛痰及抗炎效果.

QZ type general overhead crane, grab crane for coal cinder handing, garbage handing.

QZ型-通用桥式起重机，抓斗天车，抓斗行车，抓斗起重机，煤渣抓用起重机，垃圾专用起重机。

Ry-Qz Well, so we have to take the first component, Ry minus Qz, and take its partial with respect to x.

首先考虑第一个分量，求出它关于x的偏导数。

The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.

主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。