2. 下列何者是造成冷凍壓縮機一直運轉的原因？ (A) 油壓過低 (B) 冷卻水壓力過高 (C) 膨脹閥開度太小 (D) 電磁閥前濾網堵塞

8. One kind of tools which are in common use for daily maintenance works on the ship is a simple tool designed to insert and tighten, or to loosen and remove, screws. The tool comprises an approximately cylindrical handle to be held by the worker, and an axial shaft fixed to the handle, the tip of which is shaped to fit a particular type of screw. The handle and shaft allow the tool to apply torque. What tool is above description? (A) Hammer (B) Screwdriver (C) Pliers (D) Drill

2. 下列何者是造成冷凍壓縮機一直運轉的原因？
(A) 油壓過低
(B) 冷卻水壓力過高
(C) 膨脹閥開度太小
(D) 電磁閥前濾網堵塞

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