Too short holding time: Not enough weight, empty inside, small dimension.

保压时间太短：重量不足，产品内部空洞，尺寸偏小。

A variable displacement pump could save energy during the long holding time.

变量泵可在长的保压时间内节省能源。

A series of experiments were performed at 1 423 K for different holding time.

在1 423 K条件下，针对保温时间进行了一系列实验。

A longer holding time of ultrasonic wave causes a horizontal localized shear region.

超声时间的延长在金丝球内产生水平剪切层。

The influence of synthesis temperature and holding time on synthesis was investigated.

研究了合成温度和恒温时间对反应过程的影响。