英和和英

an oilrig

of a machine, an excavator called router

a tool used in civil engineering, called spade

a machine for heavy digging that moves on flat belt treads, called a power shovel

a mechanical device called a "mixed head"

a cut-off

an apparatus for performing a titration

an innovative device

a device for winding a spring

reversing-gear

an instrument called a crystal converter

a device that crushes something

a device used as a directional guide

steering-gear

a device for straightening

fore-and-aft rig

square rig

a clever gadget

Large-scale equipment

block and tackle

a device for used to ventilate an area

a thrust bearing called a collar bearing

a spring device

a device called a ventilation cylinder

of an instrument or device

remove the triggering device from

a device called a cooler

a device called thermostat

a device, called eliminator

retractable landing gear