this article discusses the necessity of air leakage detection to check the vacuum of the vacuum contactor in operation, and the mechanism of air leakage detection theoretically.

1、

you should learn about different kinds of air conditioners and check out air conditioner reviews and buying guides.

你应该了解不同类型的空调，并查看空调的评论和购买指南。

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2、

air flux check system with temperature and pressure compensation

气体流量检测系统的温压补偿

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3、

the air check shuts off before all the brine solution has been drawn out.

空气逆止阀就会在所有的盐水被吸完之前关闭。

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4、

the effect of acp on the energy and combustion performance of smokeless modified double-base propellant

ACP对无烟改性双基推进剂能量和燃烧性能的影响

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5、

the characterization of aging property of modified double-base propellant gs-1 by dynamic mechanical analyzer

GS-1改性双基推进剂老化的动态力学表征

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6、

properties of smokeless cross-linked modified double base propellant

无烟交联改性双基推进剂综合性能研究

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7、

a non-lead catalyzed nitramine modified double base propellant with low burning rate and low flame temperature

一种非铅催化硝胺改性双基低燃速低燃温推进剂

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8、

study on the mechanical properties of cross-linked composite modified double-base propellant with low signal

壳体粘结型低特征信号固体推进剂力学性能研究

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9、

increasing the burning rate of nitramine modified double-base propellant with acp

用ACP提高硝胺改性双基推进剂的燃速

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10、

the experimental study on deflagration-to-detonation transition in modified double-base propellant with acp

含ACP改性双基推进剂的燃烧转爆轰实验研究

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11、

influences of lead salts on combustion characteristics of high energy smokeless modified double-base propellant

铅盐对高能无烟改性双基推进剂燃烧性能的影响

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12、

studies on foundational formulation of composite modified double base propellant containing rdx and its burning rate

含RDX改性双基推进剂基础配方及其燃速探索

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13、

application of thermoplastic polyurethane elastomer in modified double base propellant

热塑性聚氨酯弹性体在改性双基推进剂中的应用

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14、

the chemical stability and store age of the new modified double-base propellant

新型改性双基推进剂化学安定性与贮存寿命

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15、

the general rules of acp increasing the burning rate of nitramine modified double-base propellant

ACP提高硝胺改性双基推进剂燃速的规律研究

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16、

great chunks of the ice crust, which has covered the mountains through the winter, break off and drop heavily into the thawing sea beneath.

冬日里覆盖着山脉的大块冰壳开始破裂开来，重重地跌落到山脚下正在融化的海水里。

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17、

the superficial structures of the neck, the lateral region of the neck, the sternocleidomastoid region

颈部浅层，颈外侧区，胸锁乳突肌区

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18、

he watched an owl flutter toward the school across the bright blue sky, a note clamped in its mouth.

他望着一只猫头鹰扑扇着翅膀掠过蔚蓝色的天空，往学校的方向飞去，嘴里叼着一张纸条。

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19、

blue note, one of the city's most famous venues for jazz music, features performances at 8pm and 10:30pm nightly with a varying line up that's sure to please on any evening you happen to wander in.

这里是纽约最著名的爵士乐演奏地之一，每晚8点至10点半都有丰富多样的音乐表演，保证你不管哪天晚上逛到这里，都会尽兴而归。

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20、

the company even developed a relationship with capitol records, releasing blue note blend coffee and an accompanying jazz compilation on compact disc.

公司甚至还同百代唱片公司开展合作关系，推出了一款蓝调音符混合咖啡，并附带有一张爵士乐专辑的光盘。

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