【正文】 子里，有100,000個(gè)孩子帶手槍去上學(xué)。Marty is acting as if nothing 。My father is a hopeless armchair 。1)2)Waterskiing really brings out the animal in 。Debbie doesn39。s settle this matter once and for 。We wish you all the 。We39。Janet Jackson39。1)2)3)4)5)6)7)8)9)I need to go outside and get some 。Nobody likes to be taken advantage （或：被欺騙、利用）1)2)3)4)I think that girl is after 。The newspapers called the earthquake an act of 。s this all about? 這到底是怎么回事？It39。d like to know what this is all 。1)2)3)4)5)6)Would you please act out what happened? 你能把發(fā)生的事演示一下嗎？Watch sometimes likes to act up in ，他又是喜歡在課堂上搗蛋。s ballgame? 昨晚的棒球比賽中你看到有什么有趣的精彩場(chǎng)面嗎？Our munity is going to take action against the proposed waste 。s way after the ，但你不覺(jué)得這已是“事后諸葛亮”了嗎？1)I could go to Japan again and 、再而三地去日本。The sale of our house is still up in the 。1)2)3)4)5)6)7)8)9)10)11)12)13)It39。Let39。I didn39。1)2)I just wanna be left 。Bill is an allAmerican （橄欖球）明星賽的四分衛(wèi)隊(duì)員。Dennis has always been an apple 。1)2)3)4)5)6)It looks as if someone has already been 。On the average, I39。re planning a weekend getaway for our 。同時(shí)，噴油量必須精確計(jì)算，燃油流量速率曲線必須有精確的計(jì)算模型，預(yù)噴射和二次噴射必須能夠完成。在共軌燃油噴射系統(tǒng)中，燃油噴射和壓力的產(chǎn)生是分開(kāi)的。由于幾乎一致的噴油方式，高壓泵的設(shè)計(jì)可以小的多，而且它的驅(qū)動(dòng)轉(zhuǎn)矩可以比傳統(tǒng)燃油噴射系統(tǒng)低，這源于高壓泵的負(fù)載很小。另一種控制軌道壓力的方式是進(jìn)口端控制燃油供給。它們由與燃油軌道直接相連的短高壓油軌提供燃油。通過(guò)多次觸發(fā)高速轉(zhuǎn)換閥的開(kāi)閉可以在每個(gè)噴射周期內(nèi)實(shí)現(xiàn)多達(dá)5次的噴射。電控柴油機(jī)系統(tǒng)(EDC)可以實(shí)現(xiàn)對(duì)燃油噴射量的精確計(jì)算。一些功能被 分配給某個(gè)特定的控制單元(如燃料平衡控制)，其功能根據(jù)需求情況(如檢測(cè)傳感器信號(hào))可以動(dòng)態(tài)地分配給一個(gè)或多個(gè)控制單元。③ Cruise control。② The highpressure system, prising ponents such as the highpressure pump, fuelrail, injector, and highpressure fuel electronic diesel control(EDC), consisting of system modules, such as sensors, the electronic control unit, and key ponents of the monrail system are the are fitted with a rapidaction valve(solenoid valve or piezotriggered actuator)which opens and closes the permits control of the injection process for each the injectors are fed by a mon fuel rail, this being the origin of the term “mon rail”.In the monrail fuelinjection system, the function of pressure generation and fuel injection are injection pressure is generated independent of the engine speed and the injected fuel electronic diesel control(EDC)controls each of the ponents.(1)Pressure generation and fuel injection are separated by means of an accumulator under pressure is supplied to the accumulator volume of the monrail ready for continuously operating highpressure pump driven by the engine produces the desired injection in the fuel rail is maintained irrespective of engine speed or injected fuel to the almost uniform injection pattern, the highpressure pump design can be much smaller and its drivesystem torque can be lower than conventional fuelinjection results in a much lower load on the pump highpressure pump is a radialpiston mercial vehicles, an inline fuelinjection pump is sometimes fitted.(2)Pressure Control The pressure control method applied is largely dependent on the way of controlling rail pressure is to control the highpressure side by a pressurecontrol not required for injection flows back to the lowpressure circuit via the pressurecontrol type of control loop allows rail pressure to react rapidly to changes in operating point( the event of load changes).Control on the highpressure side was adopted on the first monrail pressurecontrol valve is mounted preferably on the fuel some applications, however, it is mounted directly on the highpressure way of controlling rail pressure is to control fuel delivery on the suction metering unit flanged on the highpressure pump makes sure that the pump delivers exactly the right quantity of fuel rail in order to maintain the injection pressure required by the a fault situation, the pressurerelief valve prevents rail pressure from exceeding a control on the suction side reduces the quantity of fuel under high pressure and lowers the power input of the has a positive impact on fuel the same time, the temperature of the fuel flowing back to the fuel tank is reduced in contrast to the control method on the highpressure twoactuator system is also a way