仓容定额是指在一定的仓储管理水平和仓储作业机械化程度等条件下，单位面积允许的合理储备物资的最高数量。
参考答案：对
.He suddenly saw what looked like a snake in the darkness. For an instant his heart seemed to stop ______.
A．to beat
B．beating
C．beaten
D．being beaten
偶合器进油温度＜（）℃
