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[单选] Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from ().

A . within the space concerned
B . outside the space concerned
C . the throttle station
D . within the fire room

Shift键的作用是()。 输入上档字符。 锁定大写。 删除字符。 锁定数字功能。 An air compressor can be unloaded at start-up by (). holding the discharge valve open。 relieving the intercooler pressure to the atmosphere。 using an enlarged, permanently opened clearance expansion space。 a pre-charged accumulator。 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。 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. are available for。 is available to。 are available to。 is available for。 造成往复压缩机排出温度高,但不会使压缩机过热的是()。 缸头或水夹套积垢严重。 冷却器积垢严重。 气阀损坏。 缸套、活塞或活塞环过分磨损。 Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from ().
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