装载机的铲装作业循环由哪几个主要工作过程组成？
参考答案：
铲装作业、运输作业、卸料作业和空回作业。
In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. A socket is basically an end point of a communication link between two applications. Sockets that extend over a network connect two or more applications running on (31) computers attached to the net-work. A socket (32) two addresses: (33) . Sockets provide a (34) communication channel between one or more systems. There are (35) sockets separately using TCP and UDP.
A．is made of
B．composed of
C．is composed of
D．is consisted of
某生产厂房全面通风量为20kg/s，采用自然通风，进风为厂房外墙F的侧窗(μj=0.56，窗的面积Fj=260m2)，排风为顶面的矩形通风天窗(μp=0.46)，通风天窗为进风窗之间的中心距离H=15m。夏季室内工作地点空气计算温度35℃，室内平均室气温度接近下列何项(注：当地大气压为101.3kPa，夏季通风室外空气计算温度32℃，厂房有效热量系数m=0.4)
A．32.5℃ B．35.4℃ C．37.5℃ D．39.5℃
