關於derrick的百科

• stiffleg derrick造句怎麼寫

• stifflegderrickstifflegderricktraveler...
• 2018-05-0629975

• derrick boom造句怎麼寫

• 1、Theopeninghatchcovermethodalsonottobesatisfiedthatusingthewarpingheadofcargogearnotthroughderrickboomopenthehatchcoverbecauseusingderrickboomisnotsafe.2、ThederrickboomreststoberenewedasChiefOfficerrequirementbecausetherestsaretoohighandtoothinand...
• 2024-02-1017245

• derrick造句怎麼寫

• What'sthesafeworkingloadofeachderrick?Studyofforecastingthebearingcapacityofdrillderrickbasedondynamicparameters;Thepyloncellunitswerehoistedtothedeckbythetransferderrick.Fourfixedringsneedtobeaddedonupperdeckforderrickholds.Theopeninghatchcovermeth...
• 2018-01-225459