The Drop bowl has a droppingmechanism above it connected to a computer sensor.
滴水机械装置位于“水滴”水碗的上方，并与电脑感应器相连。
2
The exhumation mechanism of the UHP rocks is a complex dynamic process, exhumation rate dropping down with time.
超高压变质杂岩的折返机制是个复杂的动力学过程，折返速率也随时间推移而变慢。
3
The design of this hydraulic system avoids automatic dropping of backboard in the process of lifting, and the mechanical device of automatic lock system improved reliability of mechanism.