集油器是蒸汽压缩式制冷装置的辅助设备。
参考答案:对
Sorry, these two tables are already ______. You may book the one over there.
A.preserved
B.deserved
C.observed
D.reserved
遇有自然灾害、事故及其他原因限制装载时,车站可否拒绝受理部队提出的军运请求车手续?应如何办理?