The lateral opening includes a neck portion and a cavity portion which is used as a constrained space to grow a nanotube.
横向开口包含颈状部分和用作生长纳米管的受限 空间的空腔部分。
The specimen enclosure apparatus includes a container having a cavity configured to receive the specimen and an opening extending through a neck of the container to the cavity.
试样封装设备包括具有设置 成容纳试样的空腔和延伸通过容器颈部到达空腔的开口。
Flowing capability is big and the flow resistance is little. When the valve opening, the valve core is located inside ball cavity and the flow route is straight tube.
流通能力大、流阻小。这是因为开启后阀芯位于藏球室内，阀体流道呈直筒式。
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