氨吸收浅冷装置精馏塔塔底液位超高的原因是（）。

A.塔顶冷凝器冷量小

B.重沸器加热量过大

C.重沸器加热量过小

D.塔底稀氨水阀门开启过大

汉译英：“到岸重量；延期交货；运费”，正确的翻译为：( )。

A．lading weight; delivery late; transport charge

B．lading weight; late delivery; freight charge

C．shipment weight; late delivery; transport charge

D．shipment weight; delivery late; freight charge