8. ______ is a piece of metal, rubber or plastic which fits tightly into a hole and is often found onboard lifeboats to prevent the sea water from permeating through the hole and empty the water cumulated on the bottom of the boat.
(A) Slip gear
(B) Derrick
(C) Boat hook
(D) Drain plug

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統計: A(62), B(87), C(88), D(458), E(0) #2439534

詳解 (共 1 筆)

#6029437
 Drain plug 排放塞   排...
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私人筆記 (共 1 筆)

私人筆記#7342002
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______ 是一種金屬、橡膠或塑膠製品...
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