Reciprocating pump discharge pipe must be before the start of the valve to open.

往复泵启动前必须将排出管路中的阀门打开。

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A splitting open or a rupture, as of a surgical wound or of an organ or a structure to discharge its contents.

开口，裂开裂开的口子或破裂处，如裂开的伤口或器官、结构的开裂以放出内含物。

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And also, the electric arc erosion of contact materials is engendered by heat effect of arc and other discharge phenomenon during the open and close of electric contact materials.

还发现触头材料的电弧烧损主要是触点在断开和闭合的过程中，产生电弧或其它放电现象的热效应所造成的。

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While Open Placement also ostensibly focused on care coordination (discharge planning), their service was much more like an online traveling booking service, but involving secondary care facilities, and geared to the needs of hospital discharge coordinators.

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