压紧

By field and indoor test, the paper measures soil physical property, soilmoisture constant and soil water movement parameter, provides the soil specificgravity , the soil apparent density, the soil fraction, the soil field moisturecapacity, the soil saturated moisture capacity, the soil percent moisture content ofcom germination and seedlings emergence, the corn wilting point, and alsoestablishes the equation of soil water retention curves, the equation of soil waterdispersion coefficient and the relationship between pressure and soil apparentdensity, and so those provides the parameter for numerical simulation.

通过田间和室内试验，测定了供试土壤的物理性质、土壤水分常数和土壤水分运动参数，得到了该土样的比重、容重、机械组成、田间持水率、饱和含水率、玉米种子发芽出苗土壤含水率、玉米凋萎系数，给出了土壤水分特征曲线方程、土壤水分扩散系数方程及土壤容重与土壤压紧力的关系，提供了数值模拟过程中所需的参数。

Ball two, one is a floating ball valve, which can be a floating ball in the valve chamber, relying on both ends of the compression ball and stable sealing seat.

球阀有两种，一种是浮动球阀，即球体在阀腔内可浮动，依靠两端的密封座压紧球体而稳定。

Upon installation, a hand-tightened union nut serves to compress the face-seal of a Chemtrol valve.

在安装期间，手动紧固管接螺母用来压紧Chemtrol阀门的表面密封。

In accordance with the requirement of technical parameter of super high pressure bend and cold bend specification, the stress at cold bending on the three-roll bend machine was analyzed.

根据超高压弯管技术参数和冷弯工艺的要求，结合超高压管在立式三辊滚弯机上冷弯时的受力状态，运用弹塑性理论分析计算出弯管所用弯矩及弯管的最大压紧力，并据此选用弯管设备，解决了超高压弯管的制造问题。

Lid is equipped with a sampling tube, exhaust pipe, the upper wall of the tank furnace pipe for the importation of used imported ammonia, furnace cooling tank and lid used rubber vacuum sealed and equipped with clamping Lo Shuan.

炉盖上装有取样管，排气管，炉罐侧壁上部的输入管可供氨气输入用，炉罐与炉盖采用水冷真空橡胶密封，并装有压紧螺拴。

Variation laws of the film thickness with rotor angle, angle of swash plate, pocket pressure and pressing force were obtained. The differential equations of the variation of the film thickness were established, hence the dynamic law of the film thickness in one period was further obtained.

通过数值计算，得到了排油区滑靴油膜厚度与转子转角、斜盘倾角、油池压力、柱塞压紧力之间的变化规律，建立油膜厚度变化的微分方程，给出在吸、排油一个周期内，滑靴油膜厚度的动态变化规律。

Repack stem when light nut pressure cannot stop leak.

如果轻度紧固压紧螺母仍然无法停止泄漏，则需要重新安装阀杆。

Compression-type valve: This valve is used as boiler feed water and steam off with a valve, it has a lift check valve and stop valve or angle valve integrated function.

压紧式止回阀：这种阀门是做为锅炉给水和蒸汽切断用阀，它具有升降式止回阀和截止阀或角阀的综合机能。

Position scuff plate on sill and snap into place.

将车门框板放置在门槛上并且压紧到位。

Pressed nut and the joint between the screw thread connection with the transition to improve the impact resistance of the thread, the function of vibration.

压紧螺母与接头体之间的螺纹用过渡螺纹连接，提高螺纹连接的抗冲击、震动的功能。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了