Quizzes for review
The marine engineer specified delta metal for the ship's pump bearings because of its superior wear resistance.
See correct answer
The marine engineer specified delta metal for the ship's pump bearings because of its superior wear resistance.
音声機能が動作しない場合はこちらをご確認ください
Related words
delta metal
Noun
uncountable
Japanese Meaning
デルタメタル：55%の銅、41～43%の亜鉛、1～3%の鉄と、その他微量の金属から構成される真鍮合金で、合金比率により硬度が増し、弁や軸受などの部品に適している。
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
