English translation for "derrick lowering"

放倒井架

Related Translations:

lowering operator:  下降算符

derrick boat:  浮式起重机起重船浮吊

pumping derrick:  抽油井架

derrick guy:  吊杆稳索吊杆张索顶索起重架；吊杆拉索井架绷绳起重机风缆

derrick rest:  吊杆承座；吊杆托架吊杆托架

derrick gallows:  吊杆承梁

derrick head:  吊杆端吊杆头吊杆头

a derrick:  a型构架转臂起重机a型转臂起重机

derrick capacity:  吊杆负荷井架承载能力

container derrick:  货柜吊杆集装箱吊杆

Similar Words：

"derrick law ltd" English translation, "derrick leg" English translation, "derrick lighter" English translation, "derrick line" English translation, "derrick loading test" English translation, "derrick man" English translation, "derrick mast" English translation, "derrick mckey" English translation, "derrick member" English translation, "derrick members transportation" English translation