a partial vacuum的意思|示意

The dielectric properties of ferroelectric materials such as barium titanate are upgraded by sintering the dry pressed shapes in a vacuum having partial air pressures of 1 to 1000 microns.

在空气分压为1至1000微米汞柱的真空度下进行烧结干压成型，可以提高钛酸钡等铁电材料的介电性能。

Gear pumps in operation when the passive gear driven rotary gear, when the gear was torn off from the mesh to the side when inhaled (a) on the formation of partial vacuum, the liquid to be inhaled.

齿轮油泵在运转时主动齿轮带动被动齿轮旋转，当齿轮从啮合到脱开时在吸入侧(A)就形成局部真空，液体被吸入。

The higher the water temperature , the more likely it is to boil when exposed to a partial vacuum , thus reducing suction lift.

水温越高，在局部的真空下水更容易煮沸，因此减少了扬程。

The placement of the glass cup creates a partial vacuum, which is believed to stimulate muscles and blood flow, while relieving pain.

这种放置方法会形成部分真空，据说这样能舒展肌肉，促进血液流通，从而缓解疼痛。

The vacuum type cleaning mechanism is provided with a suction nozzle; and the suction nozzle is suitable for clearing partial printing patterns along a first direction.

真空式清洁机构具有一吸嘴，且吸嘴适于沿着一第一方向清除部分的印刷图案。

The flow resistance device is a important unit for achieving electron beam welding in partial vacuum.

气阻装置是实现低真空电子束焊接的重要部件。