活门

There was no garret at all, and no cellar—except a small hole dug in the ground, called a cyclone cellar, where the family could go in case one of those great whirlwinds arose, mighty enough to crush any building in its path. It was reached by a trap door in the middle of the floor, from which a ladder led down into the small, dark hole.

他们的家没有顶楼，也没有地下室—除了在地下挖的一个小洞，被成为暴风地窖，万一有个无论吹到哪里都可以吹垮任何建造大旋风刮起的时候，全家可以躲在里面，它是由梯脚到地板中间，用活门盖着的一个很小的黑洞

DEPRESSURIZATION VALVE, A valve in the hydraulic system for decreasing hydraulic reservoir air pressure to ambient pressure.

减压阀，在液压系统中，将液压油箱空气压力减至与周围环境压力相同的活门。

Fighter aircraft aircrew comments after donning/doffing the suit show that the size of the device and discharge valve, their installation position and comfort on abdomen are acceptable.

对60名歼击机飞行员调查表明，分压装置和泄压活门的大小、安装部位及其舒适性均可接受。

But... Or say that the car is hurtling towards a switch that will drop the trap.

但是，或者说，电车飞驰冲向开关，结果活门打开了。

NON-RETURN VALVE, A valve allowing flow in only one direction.

单向活门，只允许向一个方向流动的活门。

When an operator or a maintenance worker is radiated as a result of incorrect operation, he or she may suffers from a poor health as a result of the radiation hazard.

设备检修时含放射源仪表的拆除、安装、铅罐活门的关闭、开启，均要有专人负责，进行严格登记，并要有放射卫生防护人员现场监护。

However, the role of inactivation gate of sodium channel is not clear. In present study, single fibre recording in vivo from dorsal root on chronically compressed DRG model was used. We analyzed the characters of ISI series of oscillation firing of type A neurons induced by veratridine, an inhibitor of inactivation gate of sodium channel.

本研究在大鼠背根节慢性压迫模型上，利用在体单纤维记录方法，观察与分析Na通道失活门抑制剂藜芦碱引起受损背根节A类神经元放电ISI序列发生的变化特征，为了解Na通道失活门与放电型式的关系以及进一步探索放电时间型式与疼痛的关系奠定基础。

This paper is based on the traditional value type recoil counterrecoil mechanism .

本文以传统的活门式驻复进机为背景，在传统的活门式驻退复进机基础上进行改造，实现数字化火炮反后坐装置控制。

Maintenance time in order protect the maintenance man not contacting electriferous body.

活门不联动，在检修时，可锁定带电侧的活门，从而保证检修维护人员不触及带电体。

FLOAT VALVE, A valve in a fluid reservoir which opens and closes an inlet or outlet depending on fluid level.

浮子活门，装在贮液箱内，根据液面的高低来开启和关闭进口或出口的活门。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。