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1)  single direction swing-jet grouting
定喷
2)  directional spraying
定向喷涂
1.
Stellite 6 coating was sprayed on 45 steel substrate by electrothermal explosion directional spraying with two sizes of stellite 6 alloy.
采用电热爆炸定向喷涂工艺在 4 5号钢基体上制备stellite 6合金涂层。
3)  directional jet
定向喷射
1.
Bits with directional jets developed based on above studies were tested on drilling site and the results show that the designing purpose has been achieved.
由此开发的定向喷射钻头,通过现场使用,达到了设计需求。
4)  set point print
定点喷印
1.
The article introduces the mathematical model and the control method for a synchronizing set point print, provided that a process is like this:first print, then place protective paper or plastic film and, finally, cut off.
介绍了先喷印再衬纸、复膜后横切的工艺条件下同步定点喷印的数学模型和控制方
5)  fixed sprayer
固定喷头
6)  injection timing
喷射定时
1.
Effect of methanol injection timing on methanol-diesel dual-fuel compression ignition engine performance;
甲醇喷射定时对甲醇柴油双燃料压燃式发动机性能的影响
2.
Injection timing tests under two speeds and three loads are done.
从理论上分析了影响电控顺序喷射CNG发动机喷射定时的因素及其影响特点。
3.
The experiment results show the lean diffusion combustion is closely related to the injection timing.
喷射定时3°CA ATDC时,烟度排放降低了约70%,NOx排放与对比燃烧室相当。
补充资料:定向喷雾法
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性质:喷出的雾流具有明确方向的喷雾方法,也称针对性喷雾法(placement spraying method)。选择适宜的喷雾机具或调节喷头的喷施角度,使雾流朝预定方向运动,较准确地落在靶标上,较少散失到空气中或落到非靶标生物上。风送式定向喷雾用强大的气流,结合喷头角度调节,把雾流喷送到树冠的特定部位;还可利用控制装置,使喷雾机具的喷雾部件遇到作物自动喷雾,离开作物自动停喷(例如光电自控间歇喷雾机就能只对作物喷雾,离开后停喷);笼罩喷雾,在特制的马鞍形塑料膜罩中装上喷头,罩在作物上边走边喷雾,未落到作物上的药液沿壁流到罩的下缘回收,如在喷头部位安装一马蹄形罩喷灭生性除草剂,雾滴只沉积在罩下杂草上,而不伤害周围作物。

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