分馏塔液位出现假指示，稳后油流量与分馏塔液位串级调节出现波动，应立即（），然后控制好稳后油泵。 熄灭加热炉火嘴。 减少进料量。 改串级调节为单流量手动控制。 停压缩机。
Del键的作用是（）。 退格键。 控制键。 删除字符。 制表定位键。
Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）. within the space concerned。 outside the space concerned。 the throttle station。 within the fire room。
往复压缩机排气压力降低，与（）关闭不严无关。 气阀。 出口单流阀。 出口安全阀。 副线阀。
Which of the following precautions should always be carried out in dry dock?（） Liquids should never be transferred between tanks without consulting the dock master。 If sea valves have been disassembled, all bonnets must be checked for leakage when the ship is re-floated。 Before re-floating, all sea chest strainers should be verified as having been replaced。 All of the above。
Because most，if not all，of the evidence（）the carrier，the burden of proof soon shifts to the carrier，once the claimant has made initial proof of improper care.
