管

The fuse pipe is the main part of fuse,it is made by installing the fuse wire in the porcelain pipe,filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.

熔断管是熔断器的主要部件，它是由熔丝装在瓷管中，并在瓷管中充填石英砂，两端密封而成。

Installation technology and application of the long-distance grp sand pipe;2. drainage pipe and field test of GRP sand pipe construction technology, we draw the conclusion that GRP pipe is applicable for drainage pipe of port engineering.

通过对玻璃钢夹砂管与钢筋混凝土排水管的综合性能比较及对玻璃钢夹砂管施工工艺的现场测试，得出&玻璃钢夹砂管完全适用于港口工程的排水管道&的结论。

The sand grains migrate as the uniform suspension pattern in the vertical pipe,while sand grains move as the un-uniform separate beds in the inclined pipe.

同一粒径砂粒在不同倾斜携砂管中的临界流量表明，携砂管倾斜60°时，携带能力最弱，携砂管垂直时携砂能力最强。

The device includes a drill spigot inserting into the marebase sand layer through the upper cover soil layer, there sets air inlet, sand discharging pipe and vibration connecting pipe in the drill spigot; there sets a sand absorption head on the bottom of the air inlet and sand discharging pipe; the bottom of the vibration connecting pipe connects with the vibration head; the sand absorption head is made up of a centre cavity, ring cavity and sand absorption pipe.

该装置包括一穿透上部覆盖土层插入到海底深埋砂土层的钻孔套管，在钻孔套管内，设有进气管、排砂管和振动连接管；进气管和排砂管的下端连接一个吸砂头；振动连接管的下端连接振动头；吸砂头由一中心腔室、环状腔体和吸砂管构成。

In the production of various types of decorative panels, composite boards, transparent lighting board, wave board 2.6 million square meters, all kinds of FRP cable retaining tube 1600000 meters, all kinds of FRP process pipe, sand control, GWF Composite Pipe 2,600,000 meters, SMC molding FRP composite door 200,000 kg and all kinds of molded products, stainless steel water tanks FRP 10,000 cubic meters.

年生产各类装饰板、复合板、透明采光板、波形板260万平方米，各类FRP电缆护管160万米，各类FRP工艺管、夹砂管、GWF复合管260万米，SMC模压复合FRP门20万合及各类模压制品，不锈钢玻璃钢水箱10000立方米。

Salt incrustation often happens in heat exchange tubes of salt making evaporator.

制盐蒸发器换热管常常出现结盐现象，本文通过实验对钛管式制盐蒸发器换热管的污垢热阻特性进行了研究。

Auxiliary Orientation by X Ray,the placing of combination of naso-jejunal tube and naso-gastric tube is the safety,effective convenient and shortcut,and that provide a effective method for the early gastrointestinal trac administration in severe patients.

X线下联合放置鼻空肠营养管、鼻胃管是一种操作简便、快捷、安全、有效的置管技术，对危重症患者早期胃肠道管理提供了一种更为有效的方法。

Pipe vs. resonance chamber: Limited by the industrial design, it is hard to set microphone near the surface of the case. Therefore we use a pipe to lead the sound, but the frequency response might loss if the length of pipe is too long or the volume is too big.

导音管vs。音腔大小因为ID的问题，麦克风的安装位置往往不能贴近机壳的表面，会以导音管的方式导入声音，但太长或是容积太大的导音管会使频响不平。

Nickel-Titanium instruments have become widely used in the endodontic treatment. However, their unexpected separation was a serious concern in endodontics. To date, no scientific methods have been developed to evaluate the functional lifespan of Ni-Ti instruments. In this study, we used resonance frequency analysis to nondestructively detect the fatigue life of Ni-Ti instruments to determine the feasibility of this technique for use in the clinic.

镍钛合金根管锉已经广泛的使用在牙髓病的治疗上，但其无预警的断裂也是令牙医师关心的问题，之前并无一科学性的方法来评估镍钛合金根管锉的寿命，而本研究室利用自然频率的分析方式对镍钛合金根管锉做非破坏性的疲劳检测，确定此方式可行且在临床上有应用的价值。

Results Tinidazole root-canal filling group can complete root-canal filling rate amounts to 76.66 percent once.

结果替硝唑根管消毒组1次封药完成根管充填占76.66%，替硝唑根管充填组经2年跟踪观察，总有效率为96.49%。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。