This allows you to open and close portals at runtime.
这允许你实时打开和关闭入口。
Air solenoid valves are used to open and close the valve.
采用航空电磁阀控制阀门开闭。
That makes it possible to open and close it with one hand.
这使我们能够打开和关闭它一方面。
A single "door" shutter wouldn't be able to open and close this fast.
单一的“门窗”是无法再这样的高速下完成开启——闭合这一整套动作的。
The valve's disc is ball with hole and driven by stem to open and close.
球阀是带圆形孔的球体作启闭件， 球阀球体随阀杆转动， 针阀以实现启闭动作。
Represents a spring return (make). Right-click to open and close the circuit.
表示弹簧复位(闭合)。右击断开或接通电路。
Represents a spring return (break). Right-click to open and close the circuit.
表示弹簧复位（断开）。右击断开或接通电路。
Perfectly sized to make it easy for little hands to open and close on their own.
绝对大小的小手，很容易打开和关闭自己的。
Several strong men were needed to open and close the massive gates to the castle.
这扇通往城堡的门需要几个强壮的男人才能开启或者关闭。
The paper introduced a particular pneumatic control circuit to open and close the boiler lid.
本文介绍了开闭蒸锅盖的一种特殊的气动控制回路。
Similar to BPMN, EPCs use the same rule symbols to open and close branches in the process flow.
与BPMN类似的是，EPC 也使用相同的规则符号来打开和关闭流程流中的分支。
The central meaning Shared by these verbs is. To open and close the eyelids or an eyelid rapidly.
这些动词共有的中心含义是。快速睁闭眼睑。
One who gently grasps the doorknob to open and close the door is a careful and responsible person.
手轻轻扶着把手来开关门的，是谨慎而负责的人；
The PG6J80 series 6 finger gripper design utilizes a dual acting piston to open and close gripper jaws.
该PG6J80系列6手指手爪的设计采用了双动活塞来打开和关闭爪下巴。
It is the ideal equipment to control a great changing flow, to open and close frequently and to stop quickly.
是控制流量变化较大，启动频繁，切断迅速的理想设备。
In this case, you have to open and close it with exactly the same frequency as the rotation of the neutron star.
在这个例子里，你必须以和中子星，旋转相同的频率，对其进行开关。
Pulley is the key to open and close the Ji'nan guardrail is not smooth, the use of rolling bearing nylon wheel.
滑轮是济南护栏启闭是不是顺利的关键所在，应运用滚动轴承尼龙轮。
Inlet valve and seat, due to open and close more frequently, the liquid flow rate is high, sealing will soon expire.
进液阀芯和阀座，由于开启关闭比较频繁，液体流速高，密封很快就会失效。
This product is made with high European standard alloys and downward rails to slide and is able to open and close flexibly.
使用欧洲标准高档五金，结构采用下轨滑动推门，开启灵活自如。
Water supply fittings of sanitary appliance should be complete with no damage, tight joint and be flexible to open and close.
卫生器具的给水配件应完好无损伤，接口严密，启闭部分灵活；
As the gem is rotated, it exhibits a distinct, silvery white line across its dome that seems to open and close like a cat's eye.
旋转宝石，可以看到一条明显银白色线横跨圆顶，一张一合，胜似猫的眼睛。
By moving her shoulder muscles she was soon able to open and close the hooks to pick up and hold objects, and dress and feed herself.
通过肩膀上肌肉的运动，她很快就能随意开合她的“手”，来捡起并握住物体，穿衣服和吃饭。
With special spanner according to instruction and requirement to roll operational key 90 degree, so that can achieve to open and close.
用专用扳手按指示要求转动操作键90度即可实现开关。
Electronic control unit. Contains a switching transistor controlled by a speed sensor and is used to open and close the primary circuit.
电子控制单元。包括由转速传感器控制的开关晶体管，用来断开或接通初级电路。
The extra typing required to open and close tags and escape special characters not only wastes time, but introduces more possibility for error.
起始和结束标签以及转义特殊字符都需要额外录入，不仅浪费时间还会造成更多的错误。
The extra typing required to open and close tags and escape special characters not only wastes time, but introduces more possibility for error.
起始和结束标签以及转义特殊字符都需要额外录入，不仅浪费时间还会造成更多的错误。
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