施穗肥时要做到三看，一看（），二看（），三看（）。
（）are supplied by main switchboard directly. Suez Canal searchlight, air compressor and air conditioning compressor。 Air compressor, boiler blower and refrigeration plant。 Boiler blower, Suez Canal searchlight and refrigeration plant。 Suez canal searchlight, air compressor and boiler blower。
The pivot pin at the base of a sheath-screw boom davit must be（）. inserted each time before the booms are cranked out。 periodically removed for inspection and lubricated。 replaced at each inspection for certification。 in the locked position after the boat is cradled and griped dow。
The part of a windlass which physically engages the chain during hauling or paying out is the（）. devil's claw。 bull gear。 wildcat。 cat head。
遇歹徒持枪抢劫暴力事件发生时，前台营业人员下列做法正确的是（）。 按照生命第一原则，迅速逃离。 大声呼喊，吸引歹徒注意力。 迅速收拢现金锁好柜台保险柜，拨乱密码，将钥匙藏在身上。 安全隐蔽，伺机报警，将钥匙藏好。
After resolving the trouble of main power supply, main switch of emergency generator should（）, if power supply is refreshed.
