巨大的物件是指:运输专用车辆装载的物件高度从地面起超过4.5米、宽度超过车厢、长度前端超过车身、后端超过车厢1.5米,超出部分触地。
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There are two sales divisions, one of ______ are under the Line Director, Mr. Smith.
A. whom
B. which
C. that
D. them
I love my hometown _____ it is a beautiful place. a. wherever b. though c. b
A. wherever
B. though
C. because
D. unless
Most of the people in our country have _______ poverty. a. got off b.
A. got off
B. got of
C. got rid off
D. got rid of
关于重力供液系统,下列说法正确的是_______。
A. 重力供液系统主要适用于氟利昂制冷系统
B. 重力供液系统必须在冷却设备的上方设置氨液分离器,并且要保证合适的液位差
C. 重力供液系统主要适用于大中型冷藏库
D. 因为氨液分离器的安装位置高于冷却设备,所以需要加建阁楼,增加了土建的造价