metering

metering bulk mail.

用资机在大件上打戳记

water metering has been on trial in England and Wales.

水测量在英格兰和威尔测试。

It features new type stepmotor control system and real metering mechanism adjustable without shutdown the machine.

采用新型步进电机调整机构及真正不停机调整计量机构。

The bench test results indicated that the metering quality of the dibbler was increased significantly after improvement.

台架试验结果表明，穴播器改进后对棉种的播种精度有了较大提高。

This paper analyzes the metering error of floating roof tank caused by the floating tray to guide the installation of liquidometer.

对浮盘所造成的浮顶罐计量误差进行了分析,用以指导液位仪安装。

The paper expounds in detail the relation between oil density and metering and suggests that it is necessary to propagand metrical knowledge to customers.

详细阐述了油品储存收发程中密度与计量的关系,并提出了向客户宣传计量知识的必要性。

Odorization pumps are specially designed diaphragm plunger metering pump, plunger travel of the exercise machine lock, each time to maintain a constant output.

加臭泵是专门设计的隔膜式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。